Gun Control Mass Shootings Analysis
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ShootingWeapon CapacityFatalitiesInjuriesHCM Limit Projected FatalitiesHCM Limit Projected InjuriesWould Stringent Background Check Work?Lives SavedInjuries PreventedWeapon Legally Acquired?Armed individuals present?Comments
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Newtown, CT Sandy Hook ElementaryShooter used AR-15 with 30 round magazine and handguns with 20 round magazines30272102No170Yes - legally acquired by his mother and kept in same homeNoThe shooter's rampage was stopped by a quick police response. If the shooter had to reload 3 times as often, he would hit many less victims, as he fired on each victim multiple times.http://www.cnn.com/2012/12/18/us/connecticut-lanza-guns/index.htmlhttp://usnews.nbcnews.com/_news/2012/12/17/15969867-police-second-person-injured-in-connecticut-school-shooting-survived?lite
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Minneapolis, MN Sign CompanyShooter used Glock-19 with three 15 round magazines156252No10YesNoThe shooter reloaded at least once during the shooting, and initially struggled with victims.http://www.startribune.com/local/minneapolis/172077931.html?refer=y
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Oak Creek, WI Sikh TempleShooter used Springfield XDM with 19 round capacity196432No32YesNoIn a public setting with many adults, it's possible shooter would have been stopped while attempting to reload, or would have retreated outside more quickly if he had less capacity.http://www.latimes.com/news/nation/nationnow/la-na-nn-sikh-shooting-guns-20120807,0,7536671.storyhttp://www.cnn.com/2012/08/06/us/wisconsin-temple-shooting/index.html
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Aurora, CO TheaterShooter used MP-15 with 100 round drum, and Glock-22. Shooter's weapon jammed, leaving effective capacity at 30 rounds for purposes of this analysis301259420Yes1259YesNoA lucky form of weapon capacity control prevented a larger disaster, as the shooter's weapon jammed and he was only able to fire roughly 1/3 of the 100 round magazine. A properly integrated background check system might have stopped the incident entirely.http://en.wikipedia.org/wiki/2012_Aurora_shootinghttp://www.express.co.uk/posts/view/334642/Rifle-failure-that-stopped-yet-more-Batman-carnagehttp://www.cbsnews.com/8301-201_162-57497820/james-holmes-saw-three-mental-health-professionals-before-shooting/
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Seattle, WA CafePara-Ordnance .45155151No00YesNoIt's not clear that the gunman ever needed to reload, and though he had a history of mental health problems, he was never treated and never convicted of a felony.http://seattletimes.com/html/localnews/2018316552_roosevelt31m.htmlhttp://articles.latimes.com/2012/jun/01/news/la-ol-stawicki-seattle-guns-20120601
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Oakland, CA - Oikos UniversitySemi-auto .45107373Yes73YesNoHCM limit would have no impact here, but the shooter was expelled from school for behavioral issues, which might have been caught if this data were submitted to a comprehensive background check system.http://en.wikipedia.org/wiki/Oikos_University_shootinghttp://www.thedailybeast.com/articles/2012/04/04/what-made-one-goh-the-oikos-university-shooter-snap.html
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Atlanta, GA - Health SpaSemi-auto .45Unknown4040No40YesNoHCM limit and background check would have no impact herehttp://www.reuters.com/article/2012/02/22/us-shooting-georgia-idUSTRE81L07M20120222
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Seal Beach, CA - SalonSpringfield 9mm, H&K .45158151No30YesNoThe shooter reloaded during the shooting per police reports, so lowering weapon capacity would likely have lowered casualties.http://articles.latimes.com/2011/oct/15/local/la-me-seal-beach-shooting-20111015
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Carson City, NV - IHOPNorinco Mak 90204724No23YesYes - A bystander had a concealed firearm but was unable to draw it.The shooter fired over 30 rounds per eyewitness accounts - lower capacity would have constrained him.http://www.rgj.com/article/20110907/NEWS01/109070361/Gunman-Carson-City-IHOP-shooting-reloaded-least-once
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Tucson, AZ - Giffords shootingGlock 19 with 33 round magazine3361324No49YesYes - A trained bystander had a firearm but chose not to use it and helped subdue the shooter manually.Shooter was tackled and stopped while he tried to reload - direct evidence that lower capacity would have decreased the toll.http://en.wikipedia.org/wiki/2011_Tucson_shooting
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Manchester, CT - Beer CompanyRuger SR9 with 19 round magazine198241No41YesNoShooter used two weapons and fired multiple rounds at many victims - had he been limited, he would have run out of ammunition earlierhttp://en.wikipedia.org/wiki/Hartford_Distributors_shootinghttp://en.wikipedia.org/wiki/Hartford_Distributors_shooting
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Lakewood, WA - police officer shootingGlock 17174040No00NoYes - All victims were armed, but were surprised and unable to use weapons.Capacity limits might not have helped, as the shooter fired on four victims seated at one table, and hit all of them with his initial salvo.http://en.wikipedia.org/wiki/Lakewood,_Washington_police_officer_shooting
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Ford Hood, TX - army baseFN 5-7 with 20 round magazine301329410No919YesNoShooter reloaded many times, and 30 round magazines enabled him to fire roughly 170 rounds before being shot himself by military police. Multiple soldiers attempted to charge the shooter - if he had only a 10 round magazine, it's entirely possible that he would have been tackled and stopped upon initial reload.http://en.wikipedia.org/wiki/Fort_hood_shooting
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Binghamton, NY - civic associationBeretta 9mm with 30 round magazine3013441No93YesNoShooter fired 99 rounds in total - this would likelybeen reduced if his weapon capacity were 1/3 as largehttp://en.wikipedia.org/wiki/Binghamton_shootings
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Carthage, NC - nursing homeShoorter used a 12-gauge shotgun, 357 magnum revolver, and 9mm pistol108383No00YesNoSince shooter used multiple weapons and never reloaded, it's unlikely capacity limits would have mattered.http://en.wikipedia.org/wiki/Carthage_nursing_home_shooting
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Henderson, KY - Atlantis PlasticsHi-Point .45105151No00YesNoShooter did not use a high capacity weaponhttp://abcnews.go.com/US/story?id=5242853&page=1#.UNdkcXfe8pchttp://en.wikipedia.org/wiki/Atlantis_Plastics_shooting
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Dekalb, IL - Northern Illinois UniversityShotgun and Glock 1717517310Yes517YesNoThis incident's casualty count is quite low because the shooter first fired with a very low capacity weapon, his 6-round shotgun - enabling many students to escape the classroom. Shooter also had a long, documented mental health history.http://en.wikipedia.org/wiki/Northern_Illinois_University_shootinghttp://edition.cnn.com/2008/US/02/15/university.shooting/index.html
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Kirkwood, MO - City CouncilRevolver and Glock 17 (taken from police officer)176161No00YesYes - multiple on-duty police officers among slainShooter used low-capacity revolver initially, and took a higher capacity weapon from a victim (police officer). http://en.wikipedia.org/wiki/Kirkwood_City_Council_shooting
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Omaha, NE - Westroads MallAKM 7.62mm semi-auto + multiple 30 round magazines308431No53NoNoShooter appears to have emptied one magazine and then taken his own life.http://en.wikipedia.org/wiki/Westroads_Mall_shooting
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Crandon, WI - sheriff's rampageAR-15 with 30 round magazine306161No00YesNoShooter used a service weapon, so proposed rules/limitations would have had no effect.http://en.wikipedia.org/wiki/Crandon,_Wisconsin_shootinghttp://www.nytimes.com/2007/10/08/us/08cnd-shoot.html?hp&_r=0
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Blacksburg, VA - Va. TechWalther P22 and Glock-191532232115Yes3223YesNoShooter reloaded many times, and used multiple weapons. Mental health check would have prevented weapons acquisition.http://en.wikipedia.org/wiki/Virginia_Tech_massacre
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Salt Lake City, UT - Trolley SquareShotgun and revolver85454Yes54YesYes - off-duty police present. They did not stop the suspect, but they engaged in a firefight and prevented further casualties.Shooter did not use high capacity weaponshttp://www.sltrib.com/ci_5216389
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Nickel Mines, PA - Amish SchoolSpringfield 9 XDM195533No22YesNoOnce shooter started firing, sheriffs approached - he killed himself as they arrived, and likely would not have had a chance to reload.http://en.wikipedia.org/wiki/Amish_school_shooting
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Seattle, WA - Capitol HillRuger P944 and shotgun106262Yes62YesNoShooter had a weapons-related felony charge, which was reduced to a misdemeanor.http://en.wikipedia.org/wiki/Capitol_Hill_massacre
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Goleta, CA - postal shooting9mm176040Yes60YesNoShooter had a previous history of mental illnesshttp://www.nytimes.com/2006/02/01/national/01postal.html?_r=1&oref=slogin
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Red Lake, MN - high schoolRuger .22 caliber handgun, Glock 23159563No32YesYesShooter possessed a gun in his bedroom despite being treated with Prozac. Since he was an adolescent, and his parents/guardians chose to give him a gun, background checks would be ineffective. Shooter shot his grandfather who was a police officer, and took his weapons.http://en.wikipedia.org/wiki/Red_Lake_massacre
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Brookfield, WI - Church groupBeretta 9mm157453No21YesNoShooter suffered depression, but had no mental health or criminal records.http://www.nytimes.com/2005/03/14/national/14milwaukee.htmlhttp://en.wikipedia.org/wiki/Terry_Ratzmann
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Columbus, OH - concertBeretta 9mm104747No00YesYesNo HCM used, and no medical or criminal record. Nearby police stormed the concert and shot suspecthttp://en.wikipedia.org/wiki/Nathan_Gale#Deathhttp://www.foxnews.com/story/0,2933,141121,00.html
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Meridian, MS - Lockheed MartinRuger Mini 14208744No43YesNoShooter used military-style weapon with high-capacityhttp://en.wikipedia.org/wiki/Lockheed_Martin_shooting
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Melrose Park, IL - NavistarAK-47 style rifle204422Yes44YesNoShooter used military-style weapon with high-capacity, and was also a convicted felonhttp://abcnews.go.com/US/story?id=94177&page=1#.UNvQum8734s
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Wakefield, MAAK-47 variant307020No50YesNoShooter used high-capacity weapon and also had a history of mental illness, but with the mental illness far in his past and no criminal record, even stringent checks might not have denied him weapons. Shooter stopped firing at an arbitrary point and sat calmly til arrested. If he had lower capacity weapons, stopping to reload multiple times might have caused him to sit and wait for arrest earlier.http://www.nytimes.com/2000/12/27/us/7-die-in-rampage-at-company-co-worker-of-victims-arrested.htmlhttp://en.wikipedia.org/wiki/Wakefield_massacre
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Tampa, FL - hotelLorcin 9mm and .38 105353Yes53YesNoShooter was arrested for assault only a few months earlier, and bought weapon at a gun dealerhttp://www.murderpedia.org/male.I/i/izquierdo-leyva.htmhttp://www.vpc.org/studies/wgun991230.htm
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Honululu, HI - XeroxGlock 17177040No30YesNoShooter acquired a large number of weapons long before mental issues began.http://en.wikipedia.org/wiki/Xerox_murders
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Fort Worth, TX - Wedgwood Baptist ChurchRuger P85 and .38 AMT Backup157755No22YesNoShooter committed suicide after emptying three magazines - but he had six more loaded. Has the magazines been 1/3 smaller, that would have lowered the toll proportionally.http://en.wikipedia.org/wiki/Larry_Gene_Ashbrookhttp://www.pbs.org/newshour/updates/law/july-dec99/shooting_09-16.html
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Atlanta, GA - Day tradingColt .45 and Glock 9mm10913913No00YesNoThe shootings happened in multiple separate incidents, making it less likely that HCM limits would have had an impact. Barton was suspected but never charged in earlier murders, so background checks would have had no impact.http://www.people.com/people/archive/article/0,,20128974,00.htmlen.wikipedia.org/wiki/Mark_O._Barton
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Littleton, CO - Columbine HighTec-DC9, Hi Point 995, shotguns201321711No610NoNoShooters used a high capacity Tec-9 and standard capacity 9mm, so avg capacity is used here. Details of the shooting indicate that in many cases shooters fired at the same victim multiple times - if limited in capacity, this would have reduced their ability to fire on additional victims.http://en.wikipedia.org/wiki/Columbine_High_School_massacre
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Springfield, OR - Thurston HighRuger 10/225022415No119YesNoShooter was tackled and stopped when he first tried to reload - a clear indication that lower capacity would have further limited casualties.http://en.wikipedia.org/wiki/Kip_Kinkel
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Jonesboro, AR - Westside Middle Schooltwo semi-automatic rifles1551037No23YesNoShooters ran away after firing 30 rounds - lower capacity might have reduced total rounds fired.http://www.encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?entryID=3717
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Newington, CT - Lottery workerGlock 19 with 19 round magazine104040No00YesNoShooter chose specific victims and fired relatively few rounds, so capacity limits make no difference here.http://murderpedia.org/male.B/b/beck-matthew.htm
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Orange, CA - Caltransassault rifle304211No31YesNoShooter entered shootout with police shortly after initial incident, lower capacity might have shortened his attackhttp://articles.latimes.com/1997/dec/20/news/mn-431
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Aiken, SC - RE Phelon Co9mm pistol104343No00NoNoStandard capacity weapon (illegally acquired) usedhttp://en.wikipedia.org/wiki/Hastings_Arthur_Wisehttp://www.vpc.org/studies/wgun970915.htm
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Fort Lauderdale, FL - city employeeGlock 9mm105151No00YesNoStandard capacity weapon usedhttp://murderpedia.org/male.M/m/mccree-clifton.htm
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Corpus Christi, TX - Walter Rossler CoTwo handguns105050No00YesNoStandard capacity weapon usedhttp://www.sfgate.com/news/article/Police-Report-They-ve-Found-No-Motive-in-Texas-3038633.phphttp://www.vpc.org/studies/wgun950403.htm
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Fairchild AFB, WA - hospitalMak-90 with 75 round drum magazine7552213Yes522YesNoShooter possessed only one 75 round drum magazine - so he would never have to reload. Military police arrived quickly and killed perpetrator.http://fairchildhospitalshooting.com/page3.php
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Aurora, CO - Chuck E Cheesestandard capacity handgun105050No00NoNoShooter fired less than 10 times, executing each victim, usually with a single shothttp://www.murderpedia.org/male.D/d/dunlap-nathan.htm
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Garden City, NY - LIRRRuger P-8915619413No26YesNoShooter emptied two 15 round magazines and was tackled while reloading with a third magazine. Total rounds fired would have been decreased by 1/3 were magazine capacity limits in place.http://en.wikipedia.org/wiki/Colin_Ferguson_%28mass_murderer%29http://www.nytimes.com/1993/12/09/nyregion/death-on-the-lirr-the-rampage-gunman-in-a-train-aisle-passes-out-death.html
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Fayetteville, NC - Luigi's RestaurantSemi-auto rifle204623No23YesNoShooter used a high capacity rifle, shooting was stopped by nearby policehttp://www.nytimes.com/1993/08/08/us/soldier-kills-4-people-and-hurts-6-in-a-restaurant-in-north-carolina.html
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San Francisco, CA - 101 California St office buildingTec-DC9328643No43YesNoShooter used a 32 round Tec-9 in the shooting, and fired hundreds of roundshttp://en.wikipedia.org/wiki/101_California_Street_shootingshttp://www.nytimes.com/1995/04/12/us/suit-can-proceed-against-maker-of-guns-used-in-1993-killings.html
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Watkins Glen, NY - officeLama 9mm handgun104040No00YesNoShooter killed four intentional targets with relatively few shots, and then waited for police to arrive - perhaps less than 10 shots total fired.http://www.nytimes.com/1992/10/24/nyregion/watkins-glen-killings-called-planned.htmlhttp://www.nytimes.com/1992/10/16/nyregion/gunman-kills-4-who-collected-child-payments.html
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Olivehurst, CA - Lindhurst High Schoolshotgun, .22 rifle10410410No00YesNoShooter used two weapons and fired relatively few shots, so high capacity weapon limits would have no effect here. Shooter also had no prior criminal or mental history.http://en.wikipedia.org/wiki/Lindhurst_High_School_shooting#cite_note-6
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Royal Oak, MI - postal.22 rifle sawed-off304612Yes46YesNoShooter had his concealed weapons permit revoked on concern of mental illness. Shooter also used high-capacity magazines with his rifle and fired scores of rounds according to police.http://murderpedia.org/male.M/m/mcilvane-thomas.htmhttp://en.wikipedia.org/wiki/Going_postal
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Iowa City, IA - Univ of Iowarevolver65151No00YesNoDid not use a high-capacity weapon, and did not display sufficient signs of mental illness prior to shooting to warrant attentionhttp://en.wikipedia.org/wiki/University_of_Iowa_shootinghttp://www.nytimes.com/1991/11/04/us/iowa-gunman-was-torn-by-academic-challenge.html?pagewanted=2&src=pm
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Killeen, TX - Luby's CafeteriaGlock 17 and Ruger P891720241214No810YesNoUsed high capacity pistols and reloaded multiple times - capacity limits would have enabled more victims to escape, as many escaped by exiting the restaurant.http://en.wikipedia.org/wiki/Luby's_massacrehttp://www.people.com/people/archive/article/0,,20111193,00.html
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Jacksonville, FL - GMAC plantM1 Carbine309431Yes94YesNoShooter had a history of violence and convictions, and yet legally purchased multiple weapons. Used a high capacity weapon in shootinghttp://en.wikipedia.org/wiki/James_Edward_Pough
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Louisville, KY - Standard Gravure CoType 56 rifle3081234Yes812YesNoShooter used high capacity weapon, emptying its magazine and committing suicide with his second weapon. Shooter also had a lengthy psychiatric history including hospitalizationhttp://en.wikipedia.org/wiki/Standard_Gravure_shooting
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Stockton, CA - schoolyardType 56 rifle30529210Yes529YesNoShooter had a lengthy arrest history and had served time in jail as an accomplice to armed robbery, and yet was allowed to buy weapons.http://en.wikipedia.org/wiki/Cleveland_School_massacre
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Sunnyvale, CA - ESL Co shootingshotgun, additional handguns107474Yes74YesNoShooter was able to purchase guns while under a court restraining orderhttp://en.wikipedia.org/wiki/Richard_Farleyhttp://articles.latimes.com/1988-02-18/news/mn-43514_1_mr-farley-richard-farley-sunnyvale-public-safety-department
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Palm Bay, FL - shopping center.223 caliber rifle2061437Yes614YesYes - two victims were police officersShooter used a high capacity .223 caliber rifle, and killed two police officers during the shooting - one of them as the officer was trying to reload. Perhaps if the shooter's capacity were lower, the officer might have himself fared better. Gunman also had prior assault conviction.http://www.murderpedia.org/male.C/c/cruse-william.htm
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Edmond, OK - USPSRemington M1911 .45 ACP7146146No00YesNoShooter was in National Guard and would have had access to weapons. Though he was referred to as "Crazy Pat", he had no history of crime or treated mental illnesshttp://digital.library.okstate.edu/encyclopedia/entries/E/ED003.htmlhttp://www.time.com/time/magazine/article/0,9171,144859,00.html
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San Ysidro, CA - McDonaldsUzi 9mm30211976No1413YesNoShooter used a high capacity weapon, Uzi, pinning down a quick-responding officer with 30 rounds of fire before re-entering restauranthttp://edition.cnn.com/2009/CRIME/07/23/california.mcdonalds.massacre/index.htmlhttp://en.wikipedia.org/wiki/San_Ysidro_McDonald's_massacre
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Dallas, TX - nightclubunknown handgun106161No00YesNoShooter used an unknown handgun, emptying it into crowd and then rushing out - unclear that capacity limit would have any impact here.http://murderpedia.org/male.B/b/belachheb.htm
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Miami, FL - welding shopshotgun88383Yes83YesNoShooter did not use a high capacity weapon, but purchased his weapons one day after failing a psychiatric exam ordered by his employer, the school district, and after incidents in which he appeared to be a threat to studentshttp://en.wikipedia.org/wiki/Carl_Robert_Brown
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Birchwood, WI - hunting altercationSaiga 7.62mm rifle206231No31YesYes - victims were armed, but were shot in backShooter fired 20 rounds at other hunters - if he had a lower capacity, it's likely that another hunter would have been able to respond with firehttp://en.wikipedia.org/wiki/Chai_Vang
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