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CaseLocationDateYearSummaryFatalitiesInjuredTotal victimsVenuePrior signs of possible mental illnessMental HealthWeapons obtained legallyWhere obtainedType of weaponsWeapon detailsRaceGenderSourcesMental Health SourceslatitudelongitudeType

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Washington Navy Yard shootingWashington, D.C.9/16/20132013Aaron Alexis, 34, a military veteran and contractor from Texas, opened fire in the Navy installation, killing 12 people and wounding 8 before being shot dead by police.13821Other
YesHad told Rhode Island police the prior month that he'd "heard voices"; had been undergoing mental health treatment with Veterans Affairs since August 2013.YesSharpshooters Small Arms RangeSawed-off shotgun, 2 boxes of shells; also a .45-caliber handgun taken from a security guard he shot at the scene.Remington 870 Express 12-gauge shotgun; Beretta handgunBlackMalehttp://www.nytimes.com/2013/09/18/us/state-law-stopped-gunman-from-buying-rifle-officials-say.html; http://edition.cnn.com/2013/09/17/us/navy-yard-shooting-military-contractors; http://www.fbi.gov/washingtondc/press-releases/2013/law-enforcement-shares-findings-of-the-investigation-into-the-washington-navy-yard-shootings/index.htmlhttp://bigstory.ap.org/article/13-killed-washington-navy-yard-shooting-rampage38.874981-76.99453Mass

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Hialeah apartment shootingHialeah, Florida7/26/20132013Pedro Vargas, 42, set fire to his apartment, killed six people in the complex, and held another two hostages at gunpoint before a SWAT team stormed the building and fatally shot him.707Other
UnclearHis mother told authorities her son had been acting strangely and needed a psychiatric evaluation.YesFlorida Gun Center9mm semi-automatic handgunGlock 17LatinoMalehttp://www.miamiherald.com/2013/07/27/v-print/3526078/a-look-at-the-victims-in-the-hialeah.html http://www.cbsnews.com/8301-201_162-57595796/pedro-vargas-idd-as-gunman-behind-deadly-rampage-in-hialeah-florida/ http://www.miamiherald.com/2013/07/28/3528362/little-about-pedro-vargas-life.htmlhttp://www.miamiherald.com/2013/08/03/v-print/3539629/hialeah-killer-showed-signs-of.html25.8670105-80.2914626814829Mass

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Santa Monica rampageSanta Monica, California6/7/20132013John Zawahri, 23, armed with a homemade assault rifle and high-capacity magazines, killed his brother and father at home and then headed to Santa Monica College, where he was eventually killed by police.639Other
YesHe was known as a solitary teen who regularly ditched class and had an interest in assault weapons; he had been admitted to UCLA's psychiatric ward for a brief period.Yes Assembled a rifle out of component parts.Assault rifle, high capacity magazines, antique handgun
.223-caliber semi-automatic assault rifle, about 40 high capacity magazines, "black powder" handgun (likely antique)WhiteMalehttp://www.cbsnews.com/8301-504083_162-57589327-504083/john-zawahri-suspected-gunman-in-deadly-santa-monica-shooting-left-farewell-note-police-say/http://www.cbsnews.com/8301-504083_162-57589327-504083/john-zawahri-suspected-gunman-in-deadly-santa-monica-shooting-left-farewell-note-police-say/ http://www.latimes.com/news/local/la-me-0611-santa-monica-shooting-20130611,0,1490078.story34.008617-118.494754033795Spree

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Pinewood Village Apartment shootingFederal Way, Washington4/21/20132013Dennis Clark III, 27, shot and killed his girlfriend in their shared apartment, and then shot two witnesses in the building's parking lot and a third victim in another apartment, before being killed by police.505Other
NoYesUnknownSemiautomatic handgun, shotgun.40 caliber semi-automatic handgun, pistol grip shotgunBlackMalehttp://seattletimes.com/html/localnews/2020836119_federalwayshootingxml.html 47.3129607-122.3393665Mass

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Mohawk Valley shootingsHerkimer County, New York3/13/20132013Kurt Myers, 64, shot six people in neighboring towns, killing two in a barbershop and two at a car care business, before being killed by officers in a shootout after a nearly 19-hour standoff.527OtherNoYesFrank's Guns in Marcy, NYShotgunUnknownWhiteMalehttps://www.nyspnews.com/article_display.cfm?article_id=29584http://poststar.com/news/local/state-and-regional/cops-kill-suspect-in-deadly-mohawk-valley-shooting-rampage/article_15260208-8bf5-11e2-b2d9-0019bb2963f4.html43.257206-74.850712Spree

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Newtown school shootingNewtown, Connecticut12/14/20122012Adam Lanza, 20, shot his mother dead at their home then drove to Sandy Hook Elementary school. He forced his way inside and opened fire, killing 20 children and six adults before committing suicide.28230SchoolUnclearHis older brother told authorities Adam had a history of mental problems. One neighbor recalled that he took some kind of medication.NoStolen from motherTwo semiautomatic handguns, one rifle (assault), one shotgun (assault)10mm Glock, 9mm SIG Sauer P226 semiautomatic handguns; .223 Bushmaster XM15-E2S semiautomatic rifle; Izhmash Saiga-12 12-gauge semiautomatic shotgunwhiteMalehttp://usnews.nbcnews.com/_news/2012/12/14/15911025-authorities-id-gunman-who-killed-27-in-elementary-school-massacre?lite; http://articles.washingtonpost.com/2012-12-14/local/35846977_1_law-enforcement-lanza-brothers-kidhttp://usnews.nbcnews.com/_news/2012/12/14/15911025-authorities-id-gunman-who-killed-27-in-elementary-school-massacre?lite; http://articles.washingtonpost.com/2012-12-14/local/35846977_1_law-enforcement-lanza-brothers-kid41.4123225-73.3114235802945Mass

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Accent Signage Systems shootingMinneapolis, Minnesota9/27/20122012Andrew Engeldinger, 36, upon learning he was being fired, went on a shooting rampage, killing the business owner, three fellow employees, and a UPS driver. He then killed himself.718WorkplaceYesHis family worried about his "paranoia and delusions" for at least two years prior, and tried to get him to seek treatment.YesUnknownOne semiautomatic handgun9mm Glock semiautomatic handgunwhiteMalehttp://www.startribune.com/local/171774461.html?refer=yhttp://www.startribune.com/local/171774461.html?refer=y44.9772995-93.2654692Mass

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Sikh temple shootingOak Creek, Wisconsin8/5/20122012U.S. Army veteran Wade Michael Page, 40, opened fire in a Sikh gurdwara before he died from a self-inflicted gunshot would during a shootout with police.7310ReligiousYesHis Army friends once broke into his apartment, fearing he'd commit suicide in the '90s. A psychiatric nurse who lived downstairs from Page said it was "obvious" he had a mental illness.YesUnknownOne semiautomatic handgun9mm Springfield Armory XDM semiautomatic handgunwhiteMalehttp://www.jsonline.com/news/milwaukee/friend-of-page-feared-what-he-might-do-426edmg-165668826.html; http://usnews.nbcnews.com/_news/2012/09/10/13785426-officer-arriving-at-sikh-temple-shooting-time-to-use-deadly-force?lite; http://articles.latimes.com/2012/aug/08/nation/la-na-nn-sikh-shooting-guns-20120807; http://www.bbc.co.uk/news/world-us-canada-19183359http://www.jsonline.com/news/milwaukee/friend-of-page-feared-what-he-might-do-426edmg-165668826.html42.8858503-87.8631362Mass

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Aurora theater shootingAurora, Colorado7/20/20122012James Holmes, 24, opened fire in a movie theater during the opening night of "The Dark Night Rises" and was later arrested outside.125870OtherYesHe saw at least three mental health professionals before dropping out of his university.YesGander Mountain stores in Thornton and Aurora, Colo.; Bass Pro Shop in Denver, Colo.; BulkAmmo.comTwo semiautomatic handguns, one rifle (assault), one shotgunTwo .40-caliber Glock semiautomatic handguns; .223-caliber Smith & Wesson M&P15 semiautomatic rifle; 12-gauge Remington 870 pump-action shotgunwhiteMalehttp://www.cbsnews.com/8301-201_162-57497820/james-holmes-saw-three-mental-health-professionals-before-shooting/; http://www.9news.com/news/article/283503/188/Aurora-shooting-prompts-gun-bills-in-big-states-; http://www.nytimes.com/2012/07/21/us/shooting-at-colorado-theater-showing-batman-movie.html; http://www.motherjones.com/politics/2012/07/batman-theater-shooting-updates-dark-knight-riseshttp://www.cbsnews.com/8301-201_162-57497820/james-holmes-saw-three-mental-health-professionals-before-shooting/39.70689-104.820735Mass

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Seattle cafe shootingSeattle, Washington5/20/20122012Ian Stawicki, 40, gunned down four patrons at a cafe, and another person during a carjacking nearby, then shot himself as police closed in. (He died later that day in a Seattle hospital.)617OtherYesHis family said he was mentally illYesBull's Eye Shooter Supply in Tacoma, Wash.Two semiautomatic handgunsTwo .45-caliber semiautomatic handgunswhiteMalehttp://usnews.nbcnews.com/_news/2012/05/30/11959312-six-killed-in-seattle-shootings-including-suspect?lite; http://www.cbsnews.com/8301-201_162-57445177/seattle-shooting-hero-hurled-stools-at-gunman-ian-stawicki-saved-three-lives/?pageNum=2&tag=contentMain;contentBody; http://content.usatoday.com/communities/ondeadline/post/2012/05/seattle-killer-had-concealed-carry-permit-owned-6-guns/1#.UFI9shhgspQhttp://usnews.nbcnews.com/_news/2012/05/30/11959312-six-killed-in-seattle-shootings-including-suspect?lite47.6038321-122.3300624Spree

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Oikos University killingsOakland, California4/2/20122012One L. Goh, 43, a former student, opened fire in a nursing classroom. He fled the scene by car and was arrested nearby a few hours later.7310SchoolYesA former instructor at Oikos described him as "mentally unstable" and "paranoid."YesBullseye in Castro Valley, Calif.One semiautomatic handgun.45-caliber semiautomatic handgunAsianMalehttp://blog.sfgate.com/eguillermo/2012/04/05/something-still-doesnt-compute-in-the-one-goh-nightmare/; http://www.mercurynews.com/top-stories/ci_20308252/police-respond-shooting-east-oakland; http://www.cbsnews.com/8301-504083_162-57408732-504083/gun-used-in-oikos-university-shooting-rampage-was-bought-legally-police-say/; http://berkeley.patch.com/articles/one-l-goh-showed-violent-tendencies-before-the-oikos-university-shooting-oikos-university-shootinghttp://berkeley.patch.com/articles/one-l-goh-showed-violent-tendencies-before-the-oikos-university-shooting-oikos-university-shooting; http://blog.sfgate.com/eguillermo/2012/04/05/something-still-doesnt-compute-in-the-one-goh-nightmare/37.8043808-122.2708166Mass

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Su Jung Health Sauna shootingNorcross, Georgia2/22/20122012Jeong Soo Paek, 59, returned to a Korean spa from which he'd been kicked out after an altercation. He gunned down two of his sisters and their husbands before committing suicide.505OtherYesHis sister worried about his homicidal tendencies; she said his mental health had been deteriorating and that he had threatened to commit suicide with his gun.YesUnknownOne semiautomatic handgun.45-caliber semiautomatic handgunAsianMalehttp://www.gwinnettdailypost.com/news/2012/feb/23/police-id-4-victims-shooter-in-spa-killing/; http://www.cbsnews.com/8301-504083_162-57479989-504083/shooting-sprees-in-2012-crimesider-reports-on-some-of-the-countrys-worst-public-shootings-this-year/; http://chronicle.augusta.com/news/metro/2012-02-22/victims-korean-spa-shooting-near-atlanta-were-2-married-couples-gunman-was; http://onlineathens.com/local-news/2012-02-23/mass-shooting-spa-shocks-ga-korean-communityhttp://www.gwinnettdailypost.com/news/2012/feb/23/police-id-4-victims-shooter-in-spa-killing/33.9412127-84.2135309Mass

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Seal Beach shootingSeal Beach, California10/14/20112011Scott Evans Dekraai, 42, opened fire inside a hair salon and was later arrested.819OtherYesHe suffered from bipolar disorder, mood swings, and PTSD.YesUnknownTwo semiautomatic handguns, one revolver.45-caliber Heckler & Koch, 9mm Springfield semiautomatic handguns; .44 Magnum Smith & Wesson revolverwhiteMalehttp://laist.com/2011/10/13/seal_beach_shooter_suffered_from_ptsd.php; http://blogs.ocweekly.com/navelgazing/2011/10/hair_salon_seal_beach_shooting.php; http://latimesblogs.latimes.com/lanow/2011/10/seal-beach-shooting-suspect-had-been-ordered-not-to-carry-guns-.htmlhttp://laist.com/2011/10/13/seal_beach_shooter_suffered_from_ptsd.php33.741176-118.1046356Mass

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IHOP shootingCarson City, Nevada9/6/20112011Eduardo Sencion, 32, opened fire at an International House of Pancakes restaurant and later died from a self-inflicted gunshot wound.5712OtherYesHe was diagnosed with paranoid schizophrenia as a teenager and feared demons were out to get him.YesPurchased from an individualTwo rifles (both assault), one revolverAK-47 Norinco Arms variant, AK-47 Romarm Cugir variant automatic rifles; .38-caliber Colt revolverLatinoMalehttp://www.huffingtonpost.com/2011/11/03/eduardo-sencion-ihop-shooter_n_1073677.html; http://www.lasvegassun.com/news/2011/sep/06/report-seven-shot-inside-carson-city-ihop/; http://www.lasvegassun.com/news/2011/oct/23/nv-gun-laws-rampage-2nd-ld-writethru/http://www.huffingtonpost.com/2011/11/03/eduardo-sencion-ihop-shooter_n_1073677.html39.1637984-119.7674034Mass

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Tucson shootingTucson, Arizona1/8/20112011Jared Loughner, 22, opened fire outside a Safeway during a constituent meeting with Congresswoman Gabrielle Giffords (D-Ariz.) before he was subdued by bystanders and arrested.61319OtherYesHis symptoms pointed to various possible mental illness diagnoses, such as schizophrenia and delusional disorder. He also experimented with pot and hallucinogens.YesSportsmen's Warehouse in Tucson, Ariz.One semiautomatic handgun9mm Glock 19 semiautomatic handgunwhiteMalehttp://www.time.com/time/magazine/article/0,9171,2042358,00.html; http://www.csmonitor.com/USA/Politics/2011/0110/Why-Jared-Loughner-was-allowed-to-buy-a-gun; http://www.nytimes.com/2011/01/09/us/politics/09giffords.html?ref=jaredleeloughnerhttp://www.time.com/time/magazine/article/0,9171,2042358,00.html32.2217429-110.926479Mass

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Hartford Beer Distributor shootingManchester, Connecticut8/3/20102010Omar S. Thornton, 34, shot up his Hartford Beer Distributor workplace after facing disciplinary issues, then committed suicide.9211WorkplaceNoHe apparently was driven over the edge by unaddressed, ongoing racism against him at workYesGun dealer in East Windsor, Conn.Two semiautomatic handgunsTwo 9mm Ruger SR9 semiautomatic handgunsblackMalehttp://www.cbsnews.com/8301-504083_162-20012557-504083.html; http://www.msnbc.msn.com/id/38535909/ns/us_news-crime_and_courts/t/dead-shooting-conn-beer-distributor/#.UFGJAqRrND4; http://www.foxnews.com/us/2010/08/03/dead-wounded-conn-workplace-shooting/http://www.cbsnews.com/8301-504083_162-20012557-504083.html41.7759324-72.5214755Mass

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Coffee shop police killingsParkland, Washington11/29/20092009Maurice Clemmons, 37, a felon who was out on bail for child-rape charges, entered a coffee shop on a Sunday morning and shot four police officers who had gone there to use their laptops before their shifts. Clemmons, who was wounded fleeing the scene, was later shot dead by a police officer in Seattle after a two-day manhunt.415OtherYesHe had a history of erratic, bizarre behavior. He once asked his family to get naked for 5 minutes on Sunday; he said he thought the world would end and that he was Jesus.NoStolen from an individual in Seattle.One semiautomatic handgun9mm Glock 17 semiautomatic handgun; .38-caliber Smith & Wesson revolverblackMalehttp://seattletimes.com/html/localnews/2010385617_webmansought29.html; http://www.nytimes.com/2009/11/30/us/30tacoma.html?_r=1; http://seattletimes.com/html/localnews/2014155225_clemmons08m.htmlhttp://seattletimes.com/html/localnews/2010385617_webmansought29.html47.155846-122.437031Mass

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Fort Hood massacreFort Hood, Texas11/5/20092009Army psychiatrist Nidal Malik Hasan, 39, opened fire on an Army base in an attack linked to Islamist extremism. Hasan was injured during the attack and later arrested.133043OtherUnclearMedical officials at Walter Reed Army Medical Center and the Uniformed Services University of the Health Sciences raised concerns prior to the shooting regarding Hasan's aloof and erratic behavior and extremist Islamic views.YesGuns Galore in Kileen, TexasOne semiautomatic handgunFN Five-seveN semiautomatic handgunwhiteMalehttp://seattletimes.com/html/nationworld/2010232219_apusforthoodshooting.html; http://articles.latimes.com/2010/oct/21/nation/la-na-fort-hood-20101022; http://thelede.blogs.nytimes.com/2009/11/05/reports-of-mass-shooting-at-fort-hood/; http://www.usatoday.com/news/military/story/2012-08-14/fort-hood-rampage-trial/57050394/1http://www.npr.org/templates/story/story.php?storyId=12031357031.2011305-97.771569956927Mass

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Binghamton shootingsBinghamton, New York4/3/20092009Jiverly Wong, 41, opened fire at an American Civic Association center for immigrants before committing suicide.14418OtherYesHe apparently harbored growing paranoia toward cops. He also sent a delusional letter to a local TV station right before the shooting.YesGander Mountain in Johnson City, N.Y.Two semiautomatic handguns9mm Beretta, .45-caliber Springfield semiautomatic handgunsAsianMalehttp://www.nytimes.com/2009/04/12/nyregion/12binghamton.html?pagewanted=all&_r=0; http://www.nytimes.com/2009/04/04/nyregion/04hostage.html?pagewanted=allhttp://www.nytimes.com/2009/04/12/nyregion/12binghamton.html?pagewanted=all&_r=1&42.0986867-75.9179738Mass

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Carthage nursing home shootingCarthage, North Carolina3/29/20092009Robert Stewart, 45, opened fire at a nursing home where his estranged wife worked before he was shot and arrested by a police officer.8311OtherYesHis estranged wife told her workplace that her husband had an "unstable mental state or (was) mentally ill."YesLocal sporting goods stores and individualsOne revolver, one shotgunWinchester 1300 pump-action shotgun; .357 Magnum revolverwhiteMalehttp://www.wral.com/news/local/story/9845639/; http://www.wral.com/news/local/story/4837676/http://www.wral.com/news/local/story/9845639/35.345802-79.4170543Mass

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Atlantis Plastics shootingHenderson, Kentucky6/25/20082008Disgruntled employee Wesley Neal Higdon, 25, shot up an Atlantis Plastics factory after he was escorted out of his workplace for an argument with a supervisor. Higdon shot the supervisor outside the factory before opening fire on coworkers inside. He then committed suicide.617WorkplaceNoHe called his girlfriend two hours before the shooting to say he was going to kill his boss.YesUnknownOne semiautomatic handgun.45-caliber Hi-Point semiautomatic handgunwhiteMalehttp://www.foxnews.com/story/0,2933,371242,00.html; http://www.msnbc.msn.com/id/25393695/ns/us_news-crime_and_courts/t/witnesses-describe-chaotic-scene-ky-plant/#.UFEbHhhgspQhttp://www.foxnews.com/story/0,2933,371242,00.html37.76721-87.5573742Mass

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Northern Illinois University shootingDeKalb, Illinois2/14/20082008Steven Kazmierczak, 27, opened fire in a lecture hall, then shot and killed himself before police arrived.62127SchoolYesAfter high school, his parents placed him at a psychiatric treatment center. He told friends he left the Army after six months due to a psychological discharge. YesOnline and gun retailers in Champaign, Ill. Three semiautomatic handguns, one shotgun9mm Glock 19, Hi-Point CF380, 9mm Kurz SIG Sauer P232 semiautomatic handguns; 12-gauge Remington Sportsman 48 sawed-off shotgunwhiteMalehttp://www.huffingtonpost.com/jonathan-fast/steve-kazmierczak-the-sec_b_87031.html; http://www.msnbc.msn.com/id/23171567/ns/us_news-crime_and_courts/t/college-shooters-deadly-rampage-baffles-friends/#.UFEZnhhgspQ; http://www.nytimes.com/slideshow/2008/02/14/us/0214-SHOOTING_index.html?ref=schoolshooting&gwh=B62598A5487B946A532C5846B4A85156; www.niu.edu/feb14report/Feb14report.pdfhttp://www.cbsnews.com/stories/2008/02/16/national/main3840072.shtml41.9294736-88.7503647Mass

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Kirkwood City Council shootingKirkwood, Missouri2/7/20082008Charles "Cookie" Lee Thornton, 52, went on a rampage at the city hall before being shot and killed by police.628OtherNoHe was known for histrionics and disruptions at city council meetings. His mounting debt was a stressor.NoTaken in burglary and from fallen police officerOne semiautomatic handgun, one revolver.40-caliber Smith & Wesson semiautomatic handgun; .44 Magnum Smith & Wesson Model 29 revolverblackMalehttp://www.stltoday.com/news/local/crime-and-courts/charles-lee-cookie-thornton-behind-the-smile/article_be96f13c-78b9-11df-bfdc-0017a4a78c22.html; http://www.nytimes.com/2008/02/08/us/08missouri.html; http://nl.newsbank.com/nl-search/we/Archives?p_product=SL&p_theme=sl&p_action=search&p_maxdocs=200&p_topdoc=1&p_text_direct-0=11F1CADA291472F0&p_field_direct-0=document_id&p_perpage=10&p_sort=YMD_date:D&s_trackval=GooglePMhttp://www.stltoday.com/news/local/crime-and-courts/charles-lee-cookie-thornton-behind-the-smile/article_be96f13c-78b9-11df-bfdc-0017a4a78c22.html38.5833862-90.406785Mass

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Westroads Mall shootingOmaha, Nebraska12/5/20072007Robert A. Hawkins, 19, opened fire inside Westroads Mall before committing suicide.9413OtherYesHe had been treated in the past for depression and ADHD. NoStolen from grandfatherOne rifle (assault)WASR-10 Century Arms semiautomatic riflewhiteMalehttp://www.guardian.co.uk/world/2007/dec/06/usa.usgunviolence2; http://www.npr.org/templates/story/story.php?storyId=16962485; http://www.independentmail.com/news/2007/dec/08/officials-say-assault-rifles-cause-roughly-same-am/; http://www.latimes.com/news/nationworld/nation/la-na-mall7dec07,0,882178.storyhttp://www.guardian.co.uk/world/2007/dec/06/usa.usgunviolence241.2587317-95.9378732Mass

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Crandon shootingCrandon, Wisconsin10/7/20072007Off-duty sheriff's deputy Tyler Peterson, 20, opened fire inside an apartment after an argument at a homecoming party. He fled the scene and later committed suicide.617OtherUnclearThe families of victims filed a wrongful death lawsuit against the county arguing that the police department should have evaluated the gunman's mental health before hiring him.YesIssued by Forest County Sheriff's DepartmentOne rifle (assault)AR-15 SWAT semiautomatic riflewhiteMalehttp://www.rivernewsonline.com/main.asp?SectionID=6&SubSectionID=47&ArticleID=368; http://news.google.com/newspapers?id=O-MqAAAAIBAJ&sjid=u0UEAAAAIBAJ&pg=6724,5434155&dq=crandon+shooting&hl=enhttp://www.rivernewsonline.com/main.asp?SectionID=6&SubSectionID=47&ArticleID=36845.5719072-88.9028922Mass

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Virginia Tech massacreBlacksburg, Virginia4/16/20072007Virginia Tech student Seung-Hui Cho, 23, opened fire on his school's campus before committing suicide.332356SchoolYesA district court ruled Cho was "an imminent danger" to himself and others as a result of mental illness two years earlier, and directed Cho to seek treatment. YesPurchased variously online and from Roanoke Firearms in Roanoke, Va.Two semiautomatic handguns9mm Glock 19, .22-caliber Walther P22 semiautomatic handgunsAsianMalehttp://www.nytimes.com/2007/04/24/us/24virginia.html; http://www.thestandard.com.hk/news_detail.asp?we_cat=9&art_id=42489&sid=13196711&con_type=1&d_str=20070419&fc=10; http://smartgunlaws.org/mental-health-reporting-policy-summary/http://abcnews.go.com/US/story?id=3052278&page=137.2295733-80.4139393Mass

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Trolley Square shootingSalt Lake City, Utah2/12/20072007Sulejman Talović‡, 18, rampaged through the shopping center until he was shot dead by police.6410OtherUnclearAccording to one relative, he was violent and had the mental capacity of a child. (But accounts from others did not indicate this about the shooter.)NoPurchased variously from Sportsman's Fast Cash in West Valley City, Utah and individuals One revolver, one shotgunMossberg Maverick 88 Field shotgun; .38-caliber Smith & Wesson M36 revolverwhiteMalehttp://www.deseretnews.com/article/660205647/Ex-relative-calls-Talovic-vicious-troubled.html?pg=all; http://www.cbsnews.com/stories/2007/02/15/national/main2480419.shtml; http://www.cbsnews.com/8301-201_162-2823327.htmlhttp://www.deseretnews.com/article/660205647/Ex-relative-calls-Talovic-vicious-troubled.html?pg=all40.7606467-111.89109Mass

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Amish school shootingLancaster County, Pennsylvania10/2/20062006Charles Carl Roberts, 32, shot 10 young girls in a one-room schoolhouse in Bart Township, killing 5, before taking his own life.6511SchoolNoHe told his wife that he'd molested two young relatives 20 years ago. YesLocal stores in Nickel Mines, Penn. One semiautomatic handgun, one rifle, one shotgunSpringfield semiautomatic handgun; .30-06 Ruger bolt-action rifle; 12-gauge Browning pump-action shotgunwhiteMalehttp://news.google.com/newspapers?id=O8oyAAAAIBAJ&sjid=YSUEAAAAIBAJ&pg=6143,1260138&dq=charles+carl+roberts+mentally+ill&hl=en;http://www.msnbc.msn.com/id/15105305/ns/us_news-crime_and_courts/t/th-girl-dies-after-amish-schoolhouse-shooting/#.UFD4SxhgspQ; http://www.foxnews.com/story/0,2933,217170,00.htmlhttp://www.cnn.com/2006/US/10/03/amish.shooting/index.html40.01846345-76.2336528617194Mass

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Capitol Hill massacreSeattle, Washington3/25/20062006Kyle Aaron Huff, 28, opened fire at a rave afterparty in the Capitol Hill neighborhood of Seattle before committing suicide.729OtherNoPolice were unable to find any record that he had been treated for mental illness or was on psychiatric medication.YesVarious sporting goods stores in Kalispell, Mont.Two semiautomatic handguns, one rifle (assault), one shotgun.40-caliber Ruger, one other semiautomatic handgun; Bushmaster XM15 E2S semiautomatic rifle; 12-gauge Winchester Defender pump-action shotgun with extended tube and pistol gripwhiteMalehttp://seattletimes.com/html/localnews/2002892043_shooter27m.html; http://seattletimes.com/html/localnews/2002898900_huff30m.htmlhttp://seattletimes.com/html/localnews/2002898900_huff30m.html47.6038321-122.3300624Mass

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Goleta postal shootingsGoleta, California1/30/20062006Former postal worker Jennifer Sanmarco, 44, shot dead a former neighbor then drove to the mail processing plant where she used to work. Inside, she opened fire, killing six employees before committing suicide.808WorkplaceYesShe was placed on retirement disability for psychological reasons. Fellow employees described her behavior as increasingly bizarre. She believed the Postal Service employees were conspiring against her.YesPawn shops in Grants and Gallup, N.M.One semiautomatic handgun9mm Smith & Wesson 915 semiautomatic handgunwhiteFemalehttp://www.msnbc.msn.com/id/11167920/ns/us_news-crime_and_courts/t/postal-killer-believed-she-was-target-plot/#.UIxy7kzLwTE; http://www.cbsnews.com/stories/2006/02/02/national/main1272077.shtml; http://www.msnbc.msn.com/id/11167920/ns/us_news-crime_and_courts/t/postal-killer-believed-she-was-target-plot/#.UNyN5cXhe7534.436283-119.871440559809Spree

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Red Lake massacreRed Lake, Minnesota3/21/20052005Jeffrey Weise, 16, murdered his grandfather, who was a police officer, and grandfather's girlfriend. Weise then drove his grandfather's squad car to Red Lake Senior High School and opened fire on the reservation campus, killing another seven people before committing suicide.10515SchoolYesHe voluntarily visited a a psychiatric ward. He was hospitalized at least once for suicidal tendencies and was taking Prozac.NoGlock and Remington stolen from grandfatherTwo semiautomatic handguns, one shotgun.40-caliber Glock 23, .22-caliber Ruger semiautomatic handguns; 12-gauge Remington 870 shotgunNative AmericanMalehttp://news.google.com/newspapers?id=c4dIAAAAIBAJ&sjid=_XEDAAAAIBAJ&pg=5163,1527281&dq=jeffrey+weise+mental+ill&hl=en; http://www.cbsnews.com/stories/2005/03/24/national/main682915.shtml?source=search_story; http://www.usnews.com/usnews/news/articles/050404/4redlake.htm; http://www.foxnews.com/story/0,2933,151116,00.htmlhttp://www.cbsnews.com/stories/2005/03/24/national/main682915.shtml?source=search_story47.876346-95.0169401Spree

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Living Church of God shootingBrookfield, Wisconsin3/12/20052005Living Church of God member Terry Michael Ratzmann, 44, opened fire at a church meeting at a Sheraton hotel before committing suicide.7411ReligiousYesNeighbors said he suffered from depression and had a drinking problem.YesGun dealer in Waukesha, Wis.One semiautomatic handgun9mm Beretta semiautomatic handgunwhiteMalehttp://www.cbsnews.com/2100-201_162-679761.html; http://www.foxnews.com/story/0,2933,150255,00.html; http://www.msnbc.msn.com/id/7167861/ns/us_news-crime_and_courts/t/relatives-struggle-answers-after-shooting/#.UN3Scko6JT4http://www.cbsnews.com/2100-201_162-679761.html43.0605671-88.1064787Mass

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Damageplan show shootingColumbus, Ohio12/8/20042004Nathan Gale, 25, possibly upset about the breakup of Pantera, gunned down former Pantera guitarist Dimebag Darrell and three others at a Damageplan show before a police officer fatally shot Gale.5712OtherYesHe was discharged from the military because he was a paranoid schizophrenic.YesReceived as a gift from motherOne semiautomatic handgun9mm Beretta 92FS semiautomatic handgunwhiteMalehttp://www.cbsnews.com/2100-201_162-659983.html; http://www.knac.com/article.asp?ArticleID=3417; http://www.blabbermouth.net/news.aspx?mode=Article&newsitemID=86362http://www.cbsnews.com/2100-201_162-659983.html39.9622601-83.0007065Mass

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Lockheed Martin shootingMeridian, Mississippi7/8/20032003Assembly line worker Douglas Williams, 48, opened fire at his Lockheed Martin workplace in a racially motivated attack before committing suicide.7815WorkplaceYesHis cousin said he was depressed and "going through a lot of things."YesPurchased from an individualOne semiautomatic handgun, two rifles, one derringer, one shotgun.45-caliber Ruger P90 semiautomatic handgun; .22-caliber rifle with scope, .223-caliber Ruger Mini-14 rifle; 12-gauge Winchester 1300 shotgun; .22 Magnum derringerwhiteMalehttp://usatoday30.usatoday.com/news/nation/2003-07-08-miss-shooting-main_x.htm; http://www.nytimes.com/2003/07/09/us/man-kills-5-co-workers-at-plant-and-himself.html; http://www.nytimes.com/2003/07/16/us/national-briefing-south-mississippi-death-toll-rises-in-plant-shooting.htmlhttp://usatoday30.usatoday.com/news/nation/2003-07-08-miss-shooting-main_x.htm32.376081-88.6897800234601Mass

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Navistar shootingMelrose Park, Illinois2/5/20012001Fired employee William D. Baker, 66, opened fire at his former Navistar workplace before committing suicide.549WorkplaceNoHe had a criminal past, including a sexual assault conviction.YesSome purchased from Pepper Sports in Glen Ellyn, Ill. Two rifles, one revolver, one shotgunSKS 1954R, .30-caliber Winchester rifles; 12-gauge Remington pump-action shotgun; .38-caliber revolverblackMalehttp://articles.chicagotribune.com/2001-02-07/news/0102070122_1_navistar-gun-law-hunting-rifle; http://www.vpc.org/studies/wgun010205.htmhttp://articles.chicagotribune.com/2001-02-07/news/0102070122_1_navistar-gun-law-hunting-rifle41.9005865-87.8567277Mass

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Wakefield massacreWakefield, Massachusetts12/26/20002000Michael McDermott, 42, opened fire on co-workers at Edgewater Technology and was later arrested.707WorkplaceYesPsychiatrist guessed he had schizophrenia, but McDermott had researched how to fake a mental illness on the internet. Defense lawyer described history of suicide attempts and mental illness dating back to teen years. Jury rejected his insanity defense. YesUnknownOne semiautomatic handgun, one rifle (assault), one shotgun.32-caliber Retolaza semiautomatic handgun; AK-47 variant semiautomatic rifle; 12-gauge Winchester 1300 pump-action shotgunwhiteMalehttp://www.time.com/time/magazine/article/0,9171,93313,00.html; http://articles.cnn.com/2002-04-22/justice/ctv.mcdermott.trial_1_michael-mcdermott-jury-deliberates-fate-mental-illness?_s=PM:LAW; http://www.nytimes.com/2000/12/27/us/7-die-in-rampage-at-company-co-worker-of-victims-arrested.html; http://www.vpc.org/studies/wgun001226.htmhttp://articles.cnn.com/2002-04-22/justice/ctv.mcdermott.trial_1_michael-mcdermott-jury-deliberates-fate-mental-illness?_s=PM:LAW; http://www.boston.com/news/daily/24/mcdermott_verdict.htm42.506484-71.0728306Mass

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Hotel shootingTampa, Florida12/30/19991999Hotel employee Silvio Leyva, 36, gunned down four coworkers at the Radisson Bay Harbor Inn before killing a woman outside who refused to give him her car. He was arrested shortly after the shootings.538WorkplaceYesHis brother called him "unbalanced" and mentally ill.YesOne purchased from Big E's in Tampa, Fla.One semiautomatic handgun, one revolver9mm Lorcin semiautomatic handgun; .38-caliber Charter Arms revolverLatinoMalehttp://www.sptimes.com/News/123000/news_pf/TampaBay/A_year_later__the_str.shtml; http://www.vpc.org/studies/wgun991230.htm; http://news.google.com/newspapers?id=CSUdAAAAIBAJ&sjid=ZaYEAAAAIBAJ&pg=2043,2634069&dq=silvio+leyva+shooting&hl=enhttp://www.sptimes.com/News/123000/news_pf/TampaBay/A_year_later__the_str.shtml27.9477595-82.458444Mass

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Xerox killingsHonolulu, Hawaii11/2/19991999Byran Koji Uyesugi, 40, a Xerox service technician, opened fire inside the building with a 9mm Glock. He fled and was later apprehended by police.707WorkplaceYes A psychiatrist, testifying for the prosecution,said he suffered from schizophrenia.YesHunting Supplies of Hawaii (The Armory) in Honolulu, HawaiiOne semiautomatic handgun9mm Glock 17 semiautomatic handgunAsianMalehttp://archives.starbulletin.com/2000/06/02/news/story2.html; http://www.vpc.org/studies/wgun991102.htmhttp://archives.starbulletin.com/2000/06/02/news/story2.html21.3255125-157.847305493679Mass

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Wedgwood Baptist Church shootingFort Worth, Texas9/15/19991999Larry Gene Ashbrook, 47, opened fire inside the Wedgwood Baptist Church during a prayer rally before committing suicide.8715ReligiousYesHis siblings decribed him as a paranoid schizophrenic. YesTrader's Village flea market in Grand Prairie, TexasTwo semiautomatic handguns.380-caliber, 9mm Ruger P85 semiautomatic handgunswhiteMalehttp://www.nytimes.com/1999/09/20/us/fort-worth-remembers-those-killed-at-church.html?pagewanted=all&src=pm; http://www.nytimes.com/1999/09/18/us/death-in-a-church-the-overview-with-question-of-why-unanswered-fort-worth-mourns.html; http://www.vpc.org/studies/wgun990915.htmhttp://www.nytimes.com/1999/09/18/us/death-in-a-church-the-overview-with-question-of-why-unanswered-fort-worth-mourns.html32.693397-97.4706709166667Mass

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Atlanta day trading spree killingsAtlanta, Georgia7/29/19991999Day trader Mark O. Barton, 44, who had recently lost a substantial sum of money, went on a shooting spree through two day-trading firms. He started at the All-Tech Investment Group, where he worked, then went on to Momentum Securities. He fled and hours later, after being cornered by police outside a gas station, committed suicide. (Two days before the spree, he killed his wife and two children with a hammer.)91322WorkplaceYesIn letters, he details his deep depression and downward spiral. YesGlock purchased from gun store in Warner Robins, Ga. Three semiautomatic handguns, one revolver.45-caliber Colt 1911-A1, 9mm Glock 17, .25-caliber Raven Arms MP-25 semiautomatic handguns; .22-caliber Harrington & Richardson revolverwhiteMalehttp://www.independent.co.uk/news/i-dont-plan-to-live-much-longer-just-long-enough-to-kill-the-people-that-greedily-sought-my-destruction-1109610.html; http://articles.cnn.com/1999-07-30/us/9907_30_atlanta.shooting.06_1_gladys-barton-debra-spivey-barton-note?_s=PM:US; http://www.vpc.org/studies/wgun990729.htmhttp://www.independent.co.uk/news/i-dont-plan-to-live-much-longer-just-long-enough-to-kill-the-people-that-greedily-sought-my-destruction-1109610.html33.7490987-84.3901849Spree

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Columbine High School massacreLittleton, Colorado4/20/19991999Eric Harris, 18, and Dylan Klebold, 17, opened fire throughout Columbine High School before committing suicide.152439SchoolYesHarris was an alleged psychopath; Klebold was depressed and suicidal.NoPurchased variously at Tanner Gun Show in Denver, Colo. and from an individualOne semiautomatic handgun (assault), one rifle (assault), two shotguns9mm Intratec DC-9 semiautomatic handgun; 9mm Hi-Point 995 carbine rifle; 12-gauge sawed-off Savage Stevens 311D, 12-gauge sawed-off Savage Springfield 67H pump-action shotgunswhiteMalehttp://www.usatoday.com/news/nation/2009-04-13-columbine-myths_N.htm; http://www.vpc.org/studies/wgun990420.htm; http://www.slate.com/articles/news_and_politics/assessment/2004/04/the_depressive_and_the_psychopath.htmlhttp://www.slate.com/articles/news_and_politics/assessment/2004/04/the_depressive_and_the_psychopath.html39.6021065-104.987727336286Mass

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Thurston High School shootingSpringfield, Oregon5/21/19981998After he was expelled for having a gun in his locker, Kipland P. Kinkel, 15, a freshman at Thurston High, went on a shooting spree, killing his parents at home and two students at school. Five classmates wrestled Kipland to the ground before he was arrested. 42529SchoolYesDoctors testified that he was a paranoid schizophrenic who suffered from hallucinationsNoPurchased variously from friend and father, and stolen from fatherTwo semiautomatic handguns, one rifle9mm Glock, .22-caliber Ruger semiautomatic handguns, .22-caliber Ruger riflewhiteMalehttp://www.katu.com/news/local/8082147.html; http://www.pbs.org/wgbh/pages/frontline/shows/kinkel/kip/cron.html; http://www.oregonlive.com/special/index.ssf/2008/05/the_suspect_kipland_kinkels_da.html; http://articles.cnn.com/2000-01-21/us/kinkel.revisited_1_kip-kinkel-thurston-high-school-oregon-school-shooting?_s=PM:UShttp://articles.cnn.com/2000-01-21/us/kinkel.revisited_1_kip-kinkel-thurston-high-school-oregon-school-shooting?_s=PM:US44.0462362-123.0220289Spree

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Westside Middle School killingsJonesboro, Arkansas3/24/19981998Mitchell Scott Johnson, 13, and Andrew Douglas Golden, 11, two juveniles, ambushed students and teachers as they left the school; they were apprehended by police at the scene.51015SchoolNoBoys displayed unruly and aggressive behavior. They picked on kids and made threats about killing people. NoStolen from grandfather and fatherTwo semiautomatic handguns, two rifles, three revolvers, two derringersFIE 380, .380-caliber Star semiautomatic handguns; .44 Magnum Ruger, .30-06 Remington 742, .30-caliber Universal M-1 carbine replica rifles; .38-caliber Charter Arms, .357-caliber Ruger Security Six, .38-caliber Smith & Wesson revolvers; .22-caliber Double Deuce Buddie two-shot, .38-caliber Davis Industries two-shot derringerswhiteMalehttp://www.vpc.org/studies/wgun980324.htmhttp://www.nytimes.com/1998/03/29/us/from-wild-talk-and-friendship-to-five-deaths-in-a-schoolyard.html?sec=&spon=&pagewanted=all35.8209895-90.66826059874Mass

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Connecticut Lottery shootingNewington, Connecticut3/6/19981998Lottery worker Matthew Beck, 35, gunned down four bosses over a salary dispute before committing suicide.516WorkplaceYesHe had been hospitalized for psychiatric reasons and had a history of depressionYesUnknownOne semiautomatic handgun9mm semiautomatic handgunwhiteMalehttp://www.nytimes.com/1998/03/07/nyregion/rampage-connecticut-overview-connecticut-lottery-worker-kills-4-bosses-then.html?pagewanted=all&src=pm; http://www.nytimes.com/2000/04/11/us/hole-in-gun-control-law-lets-mentally-ill-through.html?pagewanted=all&src=pmhttp://www.nytimes.com/2000/04/11/us/hole-in-gun-control-law-lets-mentally-ill-through.html?pagewanted=all&src=pm41.6856325-72.7298382724899Mass

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Caltrans maintenance yard shootingOrange, California12/18/19971997Former Caltrans employee Arturo Reyes Torres, 41, opened fire at a maintenance yard after he was fired for allegedly selling government materials he'd stolen from work. He was shot dead by police.527WorkplaceNoHe was disgruntled after being fired. YesB&B Gun Sales in Orange County, Calif.One rifle (assault)7.62mm AK-47 Chinese variant semiautomatic rifleLatinoMalehttp://articles.latimes.com/1997/dec/20/news/mn-431; http://articles.latimes.com/1997/dec/22/local/me-1156; http://www.vpc.org/studies/wgun971218.htm; http://news.google.com/newspapers?id=DitZAAAAIBAJ&sjid=LEcNAAAAIBAJ&pg=6705,2243998&dq=arturo+reyes+torres+caltrans&hl=enhttp://articles.latimes.com/1997/dec/20/news/mn-43133.7877944-117.8531119Mass

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R.E. Phelon Company shootingAiken, South Carolina9/15/19971997Ex-con Hastings Arthur Wise, 43, opened fire at the R.E. Phelon Company in retaliation for being fired after an argument with a supervisor. He attempted suicide by ingesting insecticide, failed, and was executed by the state of South Carolina eight years later.437WorkplaceNoAn ex-con, he had been freed from prison, although he displayed violent tendencies.NoUnknownOne semiautomatic handgun9mm semiautomatic handgunblackMalehttp://www.vpc.org/studies/wgun970915.htm; http://chronicle.augusta.com/stories/1997/09/18/met_214833.shtmlhttp://chronicle.augusta.com/stories/1997/09/18/met_214833.shtml33.5598586-81.721952Mass

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Fort Lauderdale revenge shootingFort Lauderdale, Florida2/9/19961996Fired city park employee Clifton McCree, 41, opened fire on former coworkers he called "racist devils" inside their municipal trailer in an act of revenge after failing a drug test. He then committed suicide.617WorkplaceYesCo-workers complained about his threats and verbal abuse. His supervisors asked him to get a psychiatric evaluation. He lost his job, which relatives said drove his depression.YesUnknownOne semiautomatic handgun, one revolver9mm Glock semiautomatic handgun; .32-caliber revolverblackMalehttp://www.nytimes.com/1996/02/11/us/florida-killer-said-victims-were-racists-police-say.html; http://articles.sun-sentinel.com/1996-02-10/news/9602090635_1_million-firearms-multiple-guns-reloadinghttp://articles.sun-sentinel.com/1996-02-11/news/9602110026_1_beach-crew-maintenance-fort-lauderdale26.1223084-80.1433786Mass

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Walter Rossler Company massacreCorpus Christi, Texas4/3/19951995Disgruntled former metallurgist James Daniel Simpson, 28, opened fire throughout the Walter Rossler Company where he had worked before exiting the building and committing suicide.606WorkplaceNoHe was likely angry because he was given an assignment at work he didn't like. But acquaintances didn't know why he'd come back and kill.YesUnknownOne semiautomatic handgun, one revolver9mm Ruger semiautomatic handgun; .32-caliber revolverUnknownMalehttp://web.caller.com/2000/april/03/today/local_ne/4127.htmlhttp://web.caller.com/2000/april/03/today/local_ne/4127.html27.823713-97.4173979435294Mass

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Air Force base shootingFairchild Air Force Base, Washington6/20/19941994Former airman Dean Allen Mellberg, 20, opened fire inside a hospital at the Fairchild Air Force Base before he was shot dead by a military police officer outside.52328OtherYesHe was repeatedly diagnosed with emotional problems during his two years of service.YesGun dealer in Spokane, Wash.One rifle (assault)MAK-90 semiautomatic riflewhiteMalehttp://articles.latimes.com/1994-06-22/news/mn-7137_1_air-force; http://www.nytimes.com/1994/06/22/us/an-airman-s-revenge-5-minutes-of-terror.htmlhttp://articles.latimes.com/1994-06-22/news/mn-7137_1_air-force47.618644861959-117.648358734953Mass

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Chuck E. Cheese's killingsAurora, Colorado12/14/19931993Nathan Dunlap, 19, a recently fired Chuck E. Cheese's employee, went on a rampage through his former workplace and was arrested the following day. He now awaits execution on death row.415WorkplaceUnclearWhile he was in prison awaiting trial, he started acting bizarre by stripping naked and playing with his feces, apparently to avoid the death penalty. A state doctor testified that Dunlap was was faking his mental illness. UnknownUnknownOne semiautomatic handgun.25-caliber semiautomatic handgunblackMalehttp://www.denverpost.com/news/ci_20218952/aurora-chuck-e-cheese-killers-appeal-cites-mental; http://abcnews.go.com/US/auroras-massacre-victims-20-year-wait-justice/story?id=16847013; http://www.5280.com/magazine/2008/12/politics-killing?page=0,6 http://www.5280.com/magazine/2008/12/politics-killing?page=0,639.754713-104.835869Mass

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Long Island Rail Road massacreGarden City, New York12/7/19931993Colin Ferguson, 35, opened fire on an eastbound Long Island Rail Road train as it approached a Garden City station. He was later arrested.61925OtherYesPsychiatrists and others said he suffered from racial paranoia and was obsessed with nonexistent conspiracies. His landlord said he had "delusions of grandeur."YesTurner's Outdoorsman in Signal Hill, Calif. One semiautomatic handgun9mm Ruger P89 semiautomatic handgunblackMalehttp://www.nytimes.com/1993/12/12/nyregion/tormented-life-special-report-long-slide-privilege-ends-slaughter-train.html; http://www.vpc.org/studies/wgun931207.htmhttp://www.nytimes.com/1993/12/12/nyregion/tormented-life-special-report-long-slide-privilege-ends-slaughter-train.html40.7267682-73.6342955Mass

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Luigi's shootingFayetteville, North Carolina8/6/19931993Army Sgt. Kenneth Junior French, 22, opened fire inside Luigi's Italian restaurant while ranting about gays in the military before he was shot and arrested by police.4812OtherNoHe had an abusive father, who committed suicide.YesUnknownOne rifle, two shotguns.22-caliber rifle; two 12-gauge shotgunswhiteMalehttp://articles.latimes.com/1993-08-08/news/mn-21847_1_kills-army-french; http://news.google.com/newspapers?id=0AhPAAAAIBAJ&sjid=jhUEAAAAIBAJ&pg=6505,2482529&dq=kenneth+junior+french&hl=enhttp://news.google.com/newspapers?id=0AhPAAAAIBAJ&sjid=jhUEAAAAIBAJ&pg=6505,2482529&dq=kenneth+junior+french&hl=en35.0529931-78.8787058Mass

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101 California Street shootingsSan Francisco, California7/1/19931993Failed businessman Gian Luigi Ferri, 55, opened fire throughout an office building before he committed suicide inside as police pursued him.9615OtherNoHe was down on his luck because of failed business decisions. One acquaintance said, "He was the least likely guy you can imagine doing something like that." His ex-wife said he "hated violence."NoSuper Pawn and Pacific Tactical Weapons, both in Las Vegas, Nev.Three semiautomatic handguns (two assault)Two Intratec DC-9, .45-caliber Colt semiautomatic handgunswhiteMalehttp://articles.latimes.com/1993-07-03/news/mn-10731_1_mortgage-business/2; http://www.motherjones.com/print/16316; http://www.vpc.org/studies/wgun930701.htmhttp://articles.latimes.com/1993-07-03/news/mn-10731_1_mortgage-business37.7789601-122.419199Mass

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Watkins Glen killingsWatkins Glen, New York10/15/19921992John T. Miller, 50, killed four child-support workers in a county office building before turning the gun on himself. Miller was upset about a court order garnishing his paycheck to cover overdue child-support payments.505OtherYesThe day before the shooting, he told child-support collection office workers that he was considering suicide. He had been convicted of felonious assault for pointing a revolver at police officers responding to a domestic violence report at this girlfriend's apartment. YesMumford Sports in Litchfield, OhioOne semiautomatic handgun9mm Llama semiautomatic handgunwhiteMalehttp://www.nytimes.com/1992/10/17/nyregion/shooting-followed-tougher-efforts-to-collect-child-support.html?pagewanted=2&src=pm; http://www.nytimes.com/1992/10/16/nyregion/gunman-kills-4-who-collected-child-payments.html?pagewanted=all&src=pm; http://www.nytimes.com/1992/10/24/nyregion/watkins-glen-killings-called-planned.htmlhttp://www.nytimes.com/1992/10/24/nyregion/watkins-glen-killings-called-planned.html42.3810555-76.8705777Mass

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Lindhurst High School shootingOlivehurst, California5/1/19921992Former Lindhurst High School student Eric Houston, 20, angry about various personal failings, killed three students and a teacher at the school before surrendering to police after an eight-hour standoff. He was later sentenced to death.41014SchoolNoHe suffered violent physical abuse as a child. He claimed a teacher had sexually abused him, but the truth of that allegation was contested. YesLocal gun retailerOne rifle, one shotgun.22-caliber sawed-off rifle; 12-gauge pump-action shotgunwhiteMalehttp://www.schoolshooters.info/PL/Subject-Houston_files/Nine%20Brief%20Sketches.pdf; http://www.appeal-democrat.com/news/school-47104-shooting-eckardt.html; http://nl.newsbank.com/nl-search/we/Archives?p_product=SB&p_theme=sb&p_action=search&p_maxdocs=200&p_topdoc=1&p_text_direct-0=0EB0D9D91FC593A0&p_field_direct-0=document_id&p_perpage=10&p_sort=YMD_date:D&s_trackval=GooglePM; http://www.sfgate.com/crime/article/Death-verdict-OKd-for-school-slaughter-3758444.phphttp://www.schoolshooters.info/PL/Subject-Houston_files/Nine%20Brief%20Sketches.pdf39.078687605881-121.547576173493Mass

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Royal Oak postal shootingsRoyal Oak, Michigan11/14/19911991Laid-off postal worker Thomas McIlvane, 31, opened fire at his former workplace before committing suicide.5510WorkplaceYesPolice revoked his CCW permit after determining he was mentally unstable.YesLocal gun storeOne rifle.22-caliber Ruger sawed-off semiautomatic riflewhiteMalehttp://www.nytimes.com/1991/11/15/us/ex-postal-worker-kills-3-and-wounds-6-in-michigan.html; http://www.mlive.com/news/detroit/index.ssf/2011/11/monday_ceremony_marks_20_years.htmlhttp://www.nytimes.com/1991/11/15/us/ex-postal-worker-kills-3-and-wounds-6-in-michigan.html42.4894801-83.1446485Mass

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University of Iowa shootingIowa City, Iowa11/1/19911991Former graduate student Gang Lu, 28, went on a rampage on campus and then committed suicide at the scene.617SchoolUnclearHe was described as darkly disturbed and isolated.YesFin & Feather in Iowa City, IowaOne revolver.38-caliber Taurus revolverAsianMalehttp://www.nytimes.com/1991/11/03/us/gunman-in-iowa-wrote-of-plans-in-five-letters.html?pagewanted=all&src=pm; http://thegazette.com/2011/11/01/gang-lu-shootings-at-ui-remembered-20-years-later/; http://www.nytimes.com/1991/11/04/us/iowa-gunman-was-torn-by-academic-challenge.html?pagewanted=2&src=pmhttp://www.nytimes.com/1991/11/03/us/gunman-in-iowa-wrote-of-plans-in-five-letters.html?pagewanted=all&src=pm41.6606893-91.5302214Mass

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Luby's massacreKilleen, Texas10/16/19911991George Hennard, 35, drove his pickup truck into a Luby's cafeteria and opened fire before committing suicide.242044OtherNoAcquaintances described him as troubled, unstable, combative, and misogynistic. He made convenience store employees "nervous."YesMike's Gun Shop in Henderson, Nev.Two semiautomatic handguns9mm Glock 17, 9mm Ruger P89 semiautomatic handgunswhiteMalehttp://www.nytimes.com/1991/10/18/us/portrait-of-texas-killer-impatient-and-troubled.html?pagewanted=all&src=pm; http://www.kwtx.com/home/headlines/7048182.html; http://www.nytimes.com/1991/10/20/weekinreview/dead-23-texans-and-1-anti-gun-measure.html; http://www.vpc.org/studies/wgun911016.htmhttp://www.nytimes.com/1991/10/20/weekinreview/dead-23-texans-and-1-anti-gun-measure.html; http://www.nytimes.com/1991/10/18/us/portrait-of-texas-killer-impatient-and-troubled.html?pagewanted=all&src=pm31.1171194-97.7277959Mass

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GMAC massacreJacksonville, Florida6/18/19901990James Edward Pough, 42, opened fire at a General Motors Acceptance Corporation office before committing suicide. (The day prior, Pough killed a pimp and prostitute and injured two others. Those victims are not included in the mass murder count.)10414OtherNoPolice speculated he had a "grudge" against the people he killed. YesUnknownOne rifle, one revolver.30-caliber Universal M1 carbine rifle; .38-caliber revolverblackMalehttp://www.nytimes.com/1990/06/19/us/florida-gunman-kills-8-and-wounds-6-in-office.html; http://www.nytimes.com/1990/06/20/us/hazy-records-helped-florida-gunman-buy-arms.html; http://www.vpc.org/studies/wgun900618.htm; http://www.nytimes.com/1990/06/19/us/florida-gunman-kills-8-and-wounds-6-in-office.html?pagewanted=all&src=pmhttp://www.nytimes.com/1990/06/20/us/hazy-records-helped-florida-gunman-buy-arms.html30.3321838-81.655651Mass

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Standard Gravure shootingLouisville, Kentucky9/14/19891989Joseph T. Wesbecker, 47, gunned down eight people at his former workplace before committing suicide.91221WorkplaceYesPrior to the shooting, he had voluntarily checked into hospitals for mental problems at least twice and attempted suicide three times. YesAK-47 purchased from Tilford's Gun Sales in Louisville, Ky. Three semiautomatic handguns (two assault), one rifle (assault), one revolverTwo Intratec MAC-11, 9mm SIG Sauer semiautomatic handguns; AK-47 Chinese variant semiautomatic rifle; .38-caliber revolverwhiteMalehttp://nl.newsbank.com/nl-search/we/Archives?p_product=LH&s_site=kentucky&p_multi=LH&p_theme=realcities&p_action=search&p_maxdocs=200&p_topdoc=1&p_text_direct-0=0EB73C025033DC82&p_field_direct-0=document_id&p_perpage=10&p_sort=YMD_date:D&s_trackval=GooglePM; http://www.nytimes.com/1989/09/16/us/disturbed-past-of-killer-of-7-is-unraveled.html?pagewanted=all&src=pmhttp://www.nytimes.com/1989/09/16/us/disturbed-past-of-killer-of-7-is-unraveled.html38.2542376-85.759407Mass

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Stockton schoolyard shootingStockton, California1/17/19891989Patrick Purdy, 26, an alcoholic with a police record, launched an assault at Cleveland Elementary School, where many young Southeast Asian immigrants were enrolled. Purdy killed himself with a shot to the head.62935SchoolYesHe told a mental health professional he was "struggling to resist actions on thoughts which are destructive in nature." He also suffered from alcoholism. YesSandy Trading Post in Sandy, Ore.; Hunter Loan and Jewelry Co. in Stockton, Calif.One semiautomatic handgun, one rifle (assault)9mm Taurus semiautomatic handgun; AK-47 Chinese variant semiautomatic riflewhiteMalehttp://www.recordnet.com/apps/pbcs.dll/article?AID=/20090118/A_NEWS/901170304; http://news.google.com/newspapers?id=N8IzAAAAIBAJ&sjid=kDIHAAAAIBAJ&pg=6930,6475926&dq=patrick+purdy&hl=en; http://www.time.com/time/magazine/article/0,9171,151105,00.htmlhttp://www.recordnet.com/apps/pbcs.dll/article?AID=/20090118/A_NEWS/90117030437.9577016-121.2907796Mass

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ESL shootingSunnyvale, California2/16/19881988Former ESL Incorporated employee Richard Farley, 39, gunned down seven people at his former workplace. He was later arrested and now sits on death row at San Quentin.7411WorkplaceYesHe stalked and harassed his colleague Laura Black for four years until she was granted a temporary restraining order aginst him. Before he was fired for his bizarre behavior, he was ordered to undergo psychological counseling. YesVarious sporting goods and gun stores in Northern CaliforniaTwo semiautomatic handguns, one rifle, two revolvers, two shotguns.380 ACP Browning, 9mm Smith & Wesson semiautomatic handguns; Ruger M-77 .22-250 bolt-action rifle with scope; Mossberg 12-gauge pump-action, 12-gauge Benelli semiautomatic shotguns; .357 Magnum Smith & Wesson, .22 Sentinel WMR revolverswhiteMalehttp://articles.latimes.com/1988-02-18/news/mn-43514_1_mr-farley-richard-farley-sunnyvale-public-safety-department; http://news.google.com/newspapers?id=uqxAAAAAIBAJ&sjid=sDIHAAAAIBAJ&pg=2425,5898911&dq=richard+farley+shooting&hl=en; http://news.google.com/newspapers?id=FmYzAAAAIBAJ&sjid=WzIHAAAAIBAJ&pg=7028,576811&dq=richard+farley+shooting&hl=enhttp://books.google.com/books?id=JiQUkwBnzgYC&pg=PA44&lpg=PA44&dq=richard+farley+ESL+psychological&source=bl&ots=PqxDlDtznK&sig=K-p8vEN7M2AEdRC0KpxVHjXZN7M&hl=en#v=onepage&q=richard%20farley%20ESL%20psychological&f=false; http://caselaw.findlaw.com/ca-supreme-court/1295931.html37.3688301-122.0363496Mass

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Shopping centers spree killingsPalm Bay, Florida4/23/19871987Retired librarian William Cruse, 59, was paranoid neighbors gossiped that he was gay. He drove to a Publix supermarket, killing two Florida Tech students en route before opening fire outside and killing a woman. He then drove to a Winn-Dixie supermarket and killed three more, including two police officers. Cruse was arrested after taking a hostage and died on death row in 2009.61420OtherYesHe suffered from paranoid delusions. A judge found that he suffered from "extreme mental illness."YesGun store in Norwood, Ohio; The Oaks Trading Post in Melbourne, Fla.One rifle, one revolver, one shotgunSturm, Ruger Mini-14 semiautomatic rifle; 20-gauge Winchester pump-action shotgun; .357 Ruger Blackhawk revolverwhiteMalehttp://articles.latimes.com/1987-04-25/news/mn-990_1_palm-bay-police(Supreme Court of Florida Document) http://www.murderpedia.org/male.C/images/cruse_william_b/op-74656.pdf28.0331886-80.6429695Spree

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United States Postal Service shootingEdmond, Oklahoma8/20/19861986Postal worker Patrick Sherrill, 44, opened fire at a post office before committing suicide.15621WorkplaceUnclear He was worried he had inherited mental problems and rebuffed a pastor's suggestion he seek psychiatric counseling. His family members denied he had a history of mental illness.YesIssued by Oklahoma National Guard, where Sherrill served, for target competition Three semiautomatic handguns.22-caliber, two .45-caliber Colt Model 1911-A1 semiautomatic handgunswhiteMalehttp://news.google.com/newspapers?id=dm8aAAAAIBAJ&sjid=pyoEAAAAIBAJ&pg=2297,4870051&dq=patrick+sherrill&hl=enhttp://newsok.com/sherrill-feared-mental-illness-rejected/article/217741635.6672015-97.4293703650031Mass

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San Ysidro McDonald's massacreSan Ysidro, California7/18/19841984James Oliver Huberty, 41, opened fire in a McDonald's restaurant before he was shot dead by a police officer.221941OtherYesThe day before the shooting, he tried to make an appointment at a mental health clinic. YesUnknownOne semiautomatic handgun, one rifle (assault), one shotgun9mm Browning P35 Hi-Power semiautomatic handgun; 9mm Israeli Military Industries Uzi Model A carbine semiautomatic rifle; 12-gauge Winchester 1200 pump-action shotgunwhiteMalehttp://www.utsandiego.com/san-ysidro-massacre/; http://www.vpc.org/studies/wgun840718.htmhttp://www.nctimes.com/news/local/article_2ba4343e-7009-54ce-98df-79a23ff8d0d7.html32.5520013-117.0430813Mass

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Dallas nightclub shootingDallas, Texas6/29/19841984Abdelkrim Belachheb, 39, opened fire at an upscale nightclub after a woman rejected his advances. He was later arrested.617OtherYesDuring his last meal with his wife, he confessed he was depressed and had visited psychiatric hospitals in Belgium.NoHines Boulevard Pawn Shop in Dallas, TexasOne semiautomatic handgun9mm Smith & Wesson 459 semiautomatic handgunwhiteMalehttp://books.google.com/books?id=Hr3OBwP-lbUC&pg=PA38&lpg=PA38&dq=Abdelkrim+Belachheb+mental&source=bl&ots=D56pgdNnnl&sig=grAT08P9HLfPoHVgwlXt8RfPHz0&hl=en&; http://www.nytimes.com/1984/06/30/us/6-die-in-dallas-club-as-enraged-man-fires-wildly.html; http://news.google.com/newspapers?id=gKQyAAAAIBAJ&sjid=WO8FAAAAIBAJ&pg=1236,2915759&dq=abdelkrim+belachheb&hl=en; http://books.google.com/books?id=Hr3OBwP-lbUC&pg=PA67&lpg=PA67&dq=%22hine+pawnshop%22+gun&source=bl&ots=D55vgfTsnk&sig=zDxr5nohKnNQWvLrUFmZGYQ5ar4&hl=en&sa=X&ei=9WZSUN2FN-XZigKN-oGoCA&ved=0CDcQ6AEwAA#v=onepage&q=%22hine%20pawnshop%22%20gun&f=falsehttp://books.google.com/books?id=Hr3OBwP-lbUC&pg=PA67&lpg=PA67&dq=%22hine+pawnshop%22+gun&source=bl&ots=D55vgfTsnk&sig=zDxr5nohKnNQWvLrUFmZGYQ5ar4&hl=en&sa=X&ei=9WZSUN2FN-XZigKN-oGoCA&ved=0CDcQ6AEwAA#v=onepage&q=%22hine%20pawnshop%22%20gun&f=false32.7801052-96.8000082Mass

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Welding shop shootingMiami, Florida8/20/19821982Junior high school teacher Carl Robert Brown, 51, opened fire inside a welding shop and was later shot dead by a witness as he fled the scene.8311OtherYesHis second wife left him because he refused to seek psychological help. He had become increasingly isolated. One former student said he was "off his rocker."YesGarcia Gun Center in Hialeah, Fla.One shotgunMossberg 500 Persuader pump-action shotgun with pistol gripwhiteMalehttp://www.nytimes.com/1982/08/21/us/gunman-in-miami-kills-8-in-rampage.html; http://www.nytimes.com/1982/08/24/us/no-charges-planned-against-miami-man-who-shot-gunman.html; http://www.nytimes.com/1982/10/14/us/florida-city-rescinds-law-on-buying-guns.htmlhttp://news.google.com/newspapers?id=uuYLAAAAIBAJ&sjid=C1kDAAAAIBAJ&pg=4879,1435085&dq=carl+robert+brown25.796491-80.226683Mass