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DateCityStateLocationDescription

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24-Sep-00 Glastonbury CT Glastonbury, CTA 22-year-old former high school student was arrested after he told police that he planned to ambush and kill at least five people at his former high school. He was arrested when residents called police after hearing shots fired near the high school's athletic field around 7:45pm in the evening

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3-Oct-00 Knob Noster MO Knob Noster, MOTwo sixth-grade, 12-year-old males were arrested before entering their middle school. One of the males was in possession of a knife. A parent had reportedly informed school officials, who in turn notified police, of an alleged plot by the students to kill their teachers.

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20-Oct-00 Fort Pierce FL Fort Pierce, FLA 17-year-old male student was arrested after he reportedly brought a stolen .45-caliber semiautomatic gun to school and was detected by a school administrator.

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24-Oct-00 Glendale AZ Glendale, AZAn armed former male student was arrested after holding a classroom full of children and a teacher hostage at his former elementary school. A lockdown was called and the male was taken into custody by police. No one was injured.

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1-Nov-00 Carrollton TX Carrollton, TXA 15-year-old high school male student with a loaded 9mm automatic handgun took 18 students and their pregnant teacher hostage. Police forced the door open and subdued the student, and no one was injured, according to reports.

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20-Nov-00 Middletown PA Middletown, PAA 42-year-old former custodian was subdued by state police after roaming the halls of an elementary school while wearing a hunting mask and armed with a loaded .44-caliber revolver.

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16-Jan-01 Miami FL Miami, FLA 13-year-old male alternative school student was arrested for stealing his stepfather's .40-caliber Glock semiautomatic gun as a part of his plot to shoot his home economics teacher seven times, starting at the knees and working his way up to the head.

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5-Feb-01 Hoyt KS Hoyt, KSThree students, ages 18, 17, and 16, were arrested for plotting an attack on their high school after police reportedly found bomb-making materials, floor plans of the school, a modified assault rifle, ammunition, and white supremacist drawings at three homes.

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7-Feb-01 Fort Collins CO Fort Collins, COTwo 14-year-olds and one 15-year-old were charged with plotting an armed attack on their junior high school.

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16-Feb-01 Middlesex NJ Middlesex, NJA 13-year-old was charged with 10 counts of making terrorist threats after she allegedly compiled a "hit list" of classmates she wanted to kill.

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23-Feb-01 Jefferson County CO Jefferson County, COA 13-year-old female middle school student was taken into custody by police after school officials found a notebook in her locker with an apparent hit list of students, along with information from the Internet on bombs and weapons, and a map of the school.

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7-Mar-01 Twentynine Palms CA Twentynine Palms, CATwo male 17-year-old high school students were arrested for a hit list of 16 students to shoot on campus. Police reportedly found a .22 caliber rifle at one home and a list of students to be targeted at the other home.

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8-Mar-01 Covington WA Covington, WAA 16-year-old male student, who was described as "distraught" and "suicidal", was arrested after pulling out a handgun during class in a portable classroom. The male reportedly did not point the gun or threaten anyone, although he did allegedly order then to sit down and shut up before he eventually let them leave the room.

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9-Mar-01 Allen WA Allen, WATwo 13-year-old males were arrested after two elementary school students notified the principal that they were threatening to harm students. One male had allegedly threatened to shoot students and the other had typed on a computer threatening to bring guns or a bomb to the school.

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9-Mar-01 Indianapolis IN Indianapolis, INMore than 20 students from across Indiana were facing criminal charges and suspension for threatening violence in school this week, including a 14-year-old Indianapolis student who reportedly threatened to bring a gun to his high school campus and officials found a diary of a planned attack in his bookbag.

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9-Mar-01 Prince George's County MD Prince George's County, MDPolice arrested a 17-year-old male with a loaded sawed-off shotgun in his backpack while at his high school. The arrest came following a tip from another student.

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20-Mar-01 Northglenn CO Northglenn, COA 14-year-old middle school student was charged with 20 counts of solicitation to commit first-degree murder for allegedly asking two other students to help him kill 10 others. The suspect has reportedly been in a psychiatric facility but was then transferred to a youth detention facility after his arrest.

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23-Mar-01 Great Falls MT Great Falls, MTA fifth-grade, 11-year-old elementary student was suspended and police were notified to investigate his alleged plan to shoot and kill five classmates he did not like, and then kill himself, according to reports. A school resource officer indicated that the threat was "genuine" and that there was a "genuine conspiracy" as he had asked another student to bring guns from home and meet him outside the school.

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26-Mar-01 Derry NH Derry, NHAn 18-year-old male was arrested after a library patron reported seeing him holding a .22 caliber semiautomatic handgun and threatening to "take care of business" at a private academy school. A 19-year-old male was also arrested for carrying a 9-inch, double-edged dagger that he claimed was used for religious purposes.

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10-Apr-01 Mattawa WA Mattawa, WAA 16-year-old male high school student briefly held his English class hostage with a loaded hunting rifle, according to police. The student was allegedly despondent and taking medication for depression. He was talked into surrendering the weapon by the high school principal and a crisis intervention specialist.

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19-Apr-01 Las Vegas NV Las Vegas, NVTwo 15-year-old eighth-grade students were suspended for threatening to shoot up their school. Police issued a summons for trespassing to one of the males at a middle school campus and the other ran to an apartment where he and a 19-year-old were arrested. Police reportedly found seven pistols and rifles in the apartment where the two males were found hiding.

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27-Apr-01 Long Beach CA Long Beach, CATwo 17-year-old male juniors at a private high school were arrested a weapons including rifles, a shotgun, a handgun, and ammunition were seized after police learned that the males were allegedly plotting an assault on classmates and faculty.

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4-Jun-03 Wellsboro PA Wellsboro, PAA 12-year-old, fifth-grade male middle school student committed suicide in the school's first floor restroom. The boy reportedly brought multiple guns, including a rifle, to the school in a duffel bag. Students were reportedly allowed to bring duffel bags because of a year-end field trip to an area swimming pool.

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21-Jan-03 Olive Hill KY Olive Hill, KYA 12-year-old male middle school student was briefly taken hostage by another 12-year-old male classmate. Both students were 6th graders. The suspect brandished a small handgun in his 2nd floor classroom, walked into another classroom and asked for the other male to come into the hallway, at which time he held him at gunpoint. The school resource officer responded and successfully intervened without an injury.

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24-Jan-03 New York NY New York, NYA 17-year-old high school honors students was arrested after making an Internet chat room threat to carry out an attack similar to the 1999 Columbine High School tragedy.

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11-Mar-03 Gilbert AZ Gilbert, AZSix youths were identified by police in an alleged plot to carry out a Columbine-style "massacre" at their high school. Authorities reportedly found notes and information indicating discussion of bombs and other violent plans

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21-Mar-03 Lawndale CA Lawndale, CATwo teenage high school males were arrested after classmates told a school security officer that the pair had made threats and acted unusual, and sheriff's officers subsequently found a journal with names of students and teachers the two may have been targeting. An unfinished pipe bomb was also found at one of the boy's homes, along with instructions downloaded fro the Internet, according to reports.

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6-Jul-03Oaklyn NJOaklyn, NJAn 18-year-old male, along with two males ages 14 and 15, were arrested and a cache of weapons seized following an attempted carjacking. Police said the suspects were believed to be plotting a massacre which included school students. Authorities reportedly seized two rifles, a shotgun, two handguns, two swords, several knives, and 2,000 rounds of ammunition.

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23-Mar-05 Indiana PA Indiana, PAA 51-year-old male was shot and killed by police outside of a senior high school building after 2:00pm. Police had reportedly been called due to a man walking in the area of the school with a gun. School officials indicate the man had been buzzed into the school after indicating he was seeking an employment application. He went to the office and then was directed to the district's administration center. Upon leaving the building, he was confronted by police, at which time he reportedly pulled out what appeared to be a 9mm handgun and pointed it at a police officer, who shot him. The male was shot a second time as he allegedly went to get the gun again. The male later died. The gun was subsequently found to be a pellet gun. School officials said the school went into lockdown. Counselors were made available the next day for students.

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20-Aug-04 Centennial CO Centennial, COHigh school staff members alerted their school resource officer that a 15-year-old male student had admitted making improvised explosive devices at his home. Deputies searched the home and found 11 devices ranging from "M-80" homemade firecrackers to two larger explosive items. The teen was arrested on suspicion of possession and manufacturing an explosive device and reckless endangerment.

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27-Aug-04 Fargo ND Fargo, NDA 37-year-old male was arrested after reportedly being apprehended in possession of a 9mm semi-automatic handgun while in front of a high school shortly after the school's dismissal. A contracted school security guard, who was unarmed, observed the male and was able to subdue him with the assistance of a passer-by. The suspect's intentions were unknown at the time of the report, although the guard said that he had seen the man on the school campus earlier in the day.

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16-Sep-04 Clinton Township MI Clinton Township, MIA 17-year old male high school student who said on the Internet that he planned to bomb his high school was reported to police by a 16-year-old female. A police search of the suspect's home reportedly found instructions for making a bomb and videotapes of him with assault weapons. Police showed weapons and ammunition, Nazi flags and books about white supremacy and Adolf Hitler that they said they found during the search. The suspect's 52-year-old father was charged for concealing stolen weapons and a 33-year-old family friend, who allegedly gave the boy bomb-making instructions, was charged by police, who report finding explosives, weapons, and drugs in his home.

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17-Sep-04 Marshfield MA Marshfield, MAA 17-year-old male high school student was arrested for plotting a Columbine-style massacre in his school in April of 2005. The plan included detonating explosives and killing students, teachers, police and firefighters. Police found evidence of one test explosive detonated in the woods near the suspect's home and a "shopping list" of guns and ammunition at his home. The search also reportedly found diagrams of the school, including exits he would block to prevent escape, and web site information about weapons dealer, bombs and explosive devices.

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22-Sep-04 Carthage MO Carthage, MOTwo 15-year-old male vocational school students were arrested after a 9-mm gun, two loaded magazines of ammunition, a pellet gun, two knives and a pair of brass knuckles were found in a bag in a school locker around 1:30pm during the school day.

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1-Oct-04Cedar Park TXCedar Park, TXTwo high school male students, ages 15 and 16, were arrested after another student reported to school officials that the two planned to "re-create" the Columbine massacre at their suburban high school. Police arrested the two males after they failed to show up to school. The plan reportedly was to occur at a school pep rally and specific students had been named, according to police. One male had access to a shotgun and both claimed to have access to other weapons.

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11-Oct-04 St. Paul MN St. Paul, MNA 16-year-old male high school student was arrested after threatening to bring guns to school and shoot staff members and students. Students found information on the plot in the suspect's planner, which was left on a desk in a math class, and reported it to adults, who notified the police.

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18-Oct-04 Baldwin KS Baldwin, KSA 15-year-old male was placed in a mental health facility earlier in the month, according to this news report on October 18th, after police were alerts to his writings on the Internet which led police to believe he was planning a suicidal incident. Police said he had written about creating a diversion to draw police out and then use pipe bombs, a shotgun and various firearms to carry out his intentions. A student saw the information on a web site and alerted his parents, who in turn notified the school's police resource officer

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22-Oct-04 Fountain Valley CA Fountain Valley, CAPolice and fire departments responded to calls for a fire in a high school boy's locker room after 3:30pm. They found two small fires and a pipe bomb upon opening a smoking locker. Hundreds of students involved in after-school activities were evacuated and the bomb was subsequently disabled

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25-Oct-04 Kingston TN Kingston, TNSheriff's officers responded to a high school and removed an combustible device wrapped in tape with a fuse. The school had to be evacuated and the device was removed. Police also searched the home of the 15-year-old male high school student suspect.

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27-Oct-04 Salt Lake City UT Salt Lake City, UTFour high school students were arrested after police discovered a plot to kill students, teachers and parents at their high school. Police said a search of the students' homes found that they had access to weapons and had downloaded bomb-making instructions from the Internet. A hit list with 10 names was also found.

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28-Oct-04 Louisville KY Louisville, KYFive high school students were arrested after elaborate notes and maps were found in an apparent plot to attack their school. Classmates reportedly overhead the students talking about the plot and informed a teacher.

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9-Nov-04 San Francisco CA San Francisco, CAStudents and teachers were locked down in a middle school gym after a gunman, described as in his 20's, threatened to kill a teacher and robbed two employees. The man had entered the school and said he was going to shoot a teacher who had allegedly struck his nephew.

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17-Nov-04 Joplin MO Joplin, MOA 14-year-old female high school student was arrested for reportedly plotting a school shooting. She had a list of 16 students she was planning to kill, according to police. Police said the student did not have a gun, but did have access to weapons at home.

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29-Nov-04 Tacoma WA Tacoma, WAThree high-school teens, two age 18 and one 16-year-old, were arrested for an alleged plot to take over the school with weapons and bombs.

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30-Nov-04Greensboro NCGreensboro, NCSheriff's deputies were investigating a hit list left at middle school which named 21 students and an assistant principal. Approximately 25 deputies remained at the school during the regular school day to provide a heightened security presence on campus.

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1-Dec-04 Los Angeles CA Los Angeles, CAL.A. School Police officers pulled over a suspicious vehicle that had been cruising in the area of a high school following reports that there was a man with a gun on campus or on his way to the campus. School police found a loaded shotgun and a knife in the vehicle, which had four males inside.

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9-Dec-04 McDonough GA McDonough, GAA small private school was evacuated after a pipe bomb was found in the school. Police searched the home of a 14-year-old student suspect and found two similar devices, according to reports.

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10-Jan-05 Wayland MI Wayland, MIPolice were investigating threats made over the Internet by a 17-year-old high school male student. The male allegedly made threats involving weapons and doing something that would make the news to his girlfriend. A school security officer found out about the communications and notified authorities. Reports later indicated that while the suspect's father did have weapons, the male reportedly did not have access to the weapons and he indicated that although he was venting frustration, he actually did not plan to carry out the threat.

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27-Jan-05 Kingston PA Kingston, PAPolice arrested an armed man who was posing as a police officer at an elementary school. The male reportedly had been in the school three separate times during the month. He was carrying a .40-caliber firearm and claiming to be a police officer.

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28-Jan-05 Lafayette TN Lafayette, TNTwo teens, ages 13 and 14, were arrested for plotting an attack at their junior high school, which included a hit list of students and teachers.

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10-Feb-05Spring Branch TXSpring Branch, TXPolice arrested a 16-year-old male high school student for allegedly plotting to discharge a homemade bomb at his former high school. The arrest came after police received tips from parents, according to reports. A search of the child's home, with consent of the parents, police reportedly found six carbon dioxide canisters used in pellet guns and an instruction sheet on how to turn them into an explosive device, according to police. A map sketching out the commons area of the male's former high school contained markings for where to place the explosives, an escape route, and the words "Remember 4/20," an apparent reference to the 1999 Columbine High School attack.

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14-Feb-05 Miami-Dade County FL Miami-Dade County, FLA 15-year-old male high school student was apprehended by the school's custodian and taken to the office for vandalizing a school restroom. A search of the student's bag found a list with 14 student names, three plastic knife covers and a knife, two pieces of charcoal soaked with flammable liquid, a lighter, and a jar.

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15-Feb-05 Rockford IL Rockford, ILA Lutheran High School male sophomore student was arrested for allegedly having a hit list with 30 student names on it.

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15-Mar-05 Bellflower CA Bellflower, CATwo male high school students, ages 15 and 16, were arrested in connection with an alleged plot to kills students at their Catholic high school. The males had reportedly shopped for shotguns and prepared a map with places to plant bombs at the school, according to police.

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21-Mar-05 Houston TX Houston, TXAn eighth-grade middle school male student was arrested after students reportedly told of hearing him threaten to bring a gun to school to shoot others.

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22-Mar-05Holly MIHolly, MIA 14-year-old male high school student was arrested after a "hit list" was found in his backpack following reports to school authorities by four other students.

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22-Mar-05 Aurora CO Aurora, COPolice were investigating a "hit list" with the names of 10 African-American students that was put on a restroom wall at a middle school. The list also reportedly included ethnic slurs.

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23-Mar-05 Amherst NY Amherst, NYA 15-year-old male high school student was arrested in connection with his alleged plot to blow up his high school. The male had reportedly assembled bomb-making materials and plans, and police found extensive documents associated with the Columbine High School attacked in 1999. The student reportedly had talked about his plans with other students, who notified officials.

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24-Mar-05 Spokane WA Spokane, WAA 14-year-old male who had been expelled from his high school for writing threatening emails to his teacher went to the school with a loaded gun and came within six feet of his teacher, according to reports. The male allegedly had written a suicide note and fired a handgun into a mattress at home. Family members found the note and notified police, who were able to apprehend the male about four blocks from the school before he followed through with his alleged plan to kill the teacher. Reports indicate he went to school around 3:15pm and came within feet of the teacher, but there were too many others in the area, which delayed his plan to kill her.

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5-Apr-05 Garden City KS Garden City, KSA fifth grade male elementary school student was arrested for plotting to shoot teachers and students at his school. According to reports, the male had a hit list and had solicited the assistance of other students. A classmate told teachers.

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5-Apr-05 Courtland AL Courtland, ALTwo male teenagers were arrested for plotting to kill the principal of their alternative school and then terrorize and kill students in the school cafeteria. One teen reportedly spoke of also killing his father.

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6-Apr-05 Middlebourne WV Middlebourne, WVTwo 13-year-old male middle school students were arrested and charged with planning to blow up the middle school with chemicals already stored on school property. One male was also charged for possession of deadly weapon on school grounds. Plans were to use chemicals like those in the school's chemistry lab and other materials on campus, according to reports. Knives, along with documents corroborating the plot, were reportedly found in the backpack.

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7-Apr-05Washingtonville NYWashingtonville, NYA 14-year-old female ninth-grade high school student was arrested for making threats to shoot students on the sixth anniversary of Columbine on April 20th. She was reportedly found to have pictures of a female in a hallway with a gun and a list of students she wanted to kill.

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15-Apr-05Ashville NCAshville, NCAn eighth-grade male student was arrested after posting an Internet threat reportedly stating "I'm planning a Columbine on my dumb hippie school on the last day of school so everybody will be there to enjoy the Massacre. Later, he allegedly added, "I know where my dad's 12-gauge is along with his .45, .38 and his .22." A 27-year-old adult in Broadview Heights, Ohio, reported the incident after viewing the web posting.

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16-Apr-05 San Diego CA San Diego, CAAn Internet threat of student shooting up his school on the Columbine anniversary was reported to the sheriff's office. Police later reportedly arrested an eighth-grade middle school student.

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18-Apr-05 Devils Lake ND Devils Lake, NDA 15-year-old male student was arrested for writing a threatening note in the boy's restroom wall of his school indicating that a gun would be brought to school a couple days later.

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19-Apr-05 Palmer AK Palmer, AKPolice arrested a 17-year-old male after a threat was reportedly made to bring a gun to school and shoot students on the Columbine anniversary.

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20-Apr-05Louisville KYLouisville, KYFive high school students were disciplined and one transferred to an alternative school for starting rumors of violence at their high school on the Columbine anniversary. Attendance at the school dropped 20%, according to reports. Additional police, canines, and security guards were posted at the school.

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21-Apr-05Hobart INHobart, INSchool officials were investigating a "death list" found in an expelled student's locker. Police were investigating to determine if anyone on the list was a true target of violence.

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27-Apr-05 Mount Olive IL Mount Olive, ILA death threat scrawled on a boys' restroom wall resulted in two deputies being posted at the school for the remainder of the school year and students being searched upon entering the school. The threat included bringing a gun to school and killing 26 people.

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28-Apr-05Chandler AZChandler, AZA 17-year-old high school female was arrested for threatening to kill students and teachers. She reportedly had a detailed map of the school and a written plan to carry out her threats when apprehended. A search warrant later served on two homes found several rifles, semiautomatic guns, and ammunition belonging to her mother and stepfather, according to reports.

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4-May-05 St. Paul MN St. Paul, MNHigh school administrators sent 2,900 students home a half day early after two students found a threat scrawled on a bathroom wall. No weapons were found and school was scheduled to reopen the next day.

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12-May-05 Silver Spring MD Silver Spring, MDA small device resembling an explosive device was found in a high school parking lot and resulted in 170 students being relocated to an elementary school. The device was subsequently found not to be an explosive, although the liquid contents were reportedly flammable.

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16-May-05 Collierville TN Collierville, TNPolice received a call around 7:15am at an elementary school for suspicious items in the east parking lot adjacent to the athletic field bleachers. Five homemade bombs were subsequently discovered and disposed. School was preparing to open and did so once the area had been secured.

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18-May-05 Arlington VA Arlington, VAA 15-year-old male high school student was arrested and charged with making a written on-line threat to kill a fellow student. The building was searched by authorities and the school was evacuated the next day as 10 canine teams and about 60 law enforcement officers conducted a sweep of the school.

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15-Jun-05Tacoma WATacoma, WAPolice arrested a 14-year-old male high school student in connection with 10 "life threatening" messages left for teachers and a vice principal on their voice mail. The suspect was a former student at the school. The school was locked down and police subsequently took the boy, who was found at the school, into custody.

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29-Sep-06Cazenovia WICazenovia, WIA 15-year-old male student shot the principal of his Pre-K through 12 school after walking into the school with a shotgun and a handgun taken from his family's gun cabinet, according to reports. The male reportedly was confronted by the school's custodian, teachers, and students who tried to wrestle the gun away from him. The custodian said the male was a special education student who said he was there to kill someone. When confronted by the school's 49-year-old principal, the teen shot the principal in the head, chest, and leg. After being shot, the principal wrestled the male to the ground and swept the gun away. The principal died at the hospital several hours later. The teen reportedly had been harassed by other students and believed that teachers and the principal were not doing anything about it. The teen was said to have told another student that the principal "would not make it through homecoming." The teen was in police custody and will be charged as an adult.

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9-Oct-06 Joplin MO Joplin, MOA 13-year-old middle school student wearing a ski-mask fired one round from a Mac-90, a replica of an AK-47, assault rifle into the ceiling of the school's entranceway after confronting students and administrators. He left the area after his weapon jammed. The male's backpack reportedly contained military manuals, instructions on assembling homemade explosives, and detailed drawings of the school.

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8-Jan-07Cincinnati OHCincinnati, OHA 16-year-old, ninth-grade male high school student was arrested after pulling a gun in the school's cafeteria an firing two rounds into a hallway outside the cafeteria after an assistant principal tried to get the gun away from him. No one was injured. The male was apprehended and arrested a couple hours later.

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7-Mar-07Midland MIMidland, MIA 17-year-old male non-student shot a 17-year-old female student four times and then turned the gun on himself, committing suicide in her high school's parking lot The female was reportedly an ex-girlfriend of the male. Reports indicate the male drove to the school to talk with the female but was turned away by school officials, after which he called her out to the parking lot to talk with him. He pulled a gun and shot her four times, which was witnessed by the girl's mother who was in her car and drove between them. The female was taken to the hospital and reported to be in serious, but stable, condition.

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11-Aug-06Paragould ARParagould, ARA 15-year-old was taken into custody and later admitted for psychological evaluation for allegedly plotting a school shooting. Weapons belonging to the parents were removed from the child's home for safety reasons.

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14-Sep-06Green Bay WIGreen Bay, WIPolice arrested two 17-year-old high school students in connection with a planned attack at their school. Following a student tip to school officials, the school resource officer became involved and police found sawed-off shotguns, pistols, ammunition, several bombs, bomb-making material, camouflage clothing, helmets and gas masks during a home search. Suicide notes were also found.

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22-Sep-06Montgomery ALMontgomery, ALAn 18-year-old Second Chance School student was arrested for plotting a shooting at a high school. Students at the high school were not allowed off campus for approximately two hours as police secured the school.

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6-Nov-06 Austin TX Austin, TXTwo teens under age 17 were arrested and held in juvenile facility custody in connection with a plot for a "life threatening attack" upon their high school.

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17-Nov-06 Crothersville IN Crothersville, INA 15-year-old male high school student was arrested for having a hit list of 16 people to kill.

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18-Nov-06 Savannah GA Savannah, GAEmployees of a private day school found a device which they thought to be a bomb on campus. Police were called and the device was detonated by the bomb squad. Police reported that several students were being interviewed and it was suspected that the device may have been constructed by students. Police subsequently arrested two 14-year-old male students. Reports indicate that one of the boys took the bomb home but brought it back at the urging of a school administrator, who kept the bomb for nearly 24 hours before notifying the police.

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13-Dec-06Maquoketa IAMaquoketa, IASchool and police officials investigated threatening graffiti found in a restroom which included a stick figure with a gun and words indicating that nothing would be the same after 12/15/06. School continued with beefed up security the following days.

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14-Feb-07 Newington CT Newington, CTA 16-year-old male high school student was charged with making bombs to attack fellow students. A parent learned of the plot and notified authorities. Weapons were seized from the male's home.

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16-Mar-07Riner VARiner, VATwo middle school students, ages 14 and 15, were arrested after one brought a gun to school and at least one of the two talked about killing the principal and others. A student told the school resource officer (SRO) and police credited the student with likely saving lives. A .22-caliber gun and an undisclosed amount of ammunition was found.

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27-Apr-07 Sacramento CA Sacramento, CAFour high school students were arrested in connection with a plot to shoot two female students. Two of the males, ages 14 and 15, were stopped on the way to school and found with a gun and extra ammunition. One of the males had pictures of the two girls who were believed to be the targets.

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10-May-07Boulder COBoulder, COA high school cafeteria cook saw two young males wearing camouflage, including one in a ski mask, running in the cafeteria around 6:00am as she was setting up for the day. Police searched the building and did not find anyone. A witness reported saw three or four people dressed in black on a bike path near the school around 4:30am and an outside school surveillance camera showed two people running away from the school around 5:00am. +

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13-Jul-07Bohemia NYBohemia, NYPolice arrested two male high school students, ages 15 and 17, in connection with the 15-year-old's alleged plot to shoot students and set off explosives. The 15-year-old, on a long-term suspension from the school, was reportedly the main plotter but had recruited the 17-year-old to help carry out the plan. Police reportedly found efforts on the 15-year-old's computer to inquire about buying an Uzi and five pounds of black powder explosives.

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4-Aug-07 Keizer OR Keizer, ORFour 15-year-old males and one 13-year-old male were arrested and charged in connection with an alleged plot to threaten their high school with a bomb when classes started in the fall. The plot was discovered when police arrested the five youths after a break-in at their high school where they allegedly stole chemicals such as ammonium hydroxide and sodium hydroxide, chemicals reportedly cited in publications on how to build bombs

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14-Sep-07Fort Worth TXFort Worth, TXA 16-year-old male was arrested after a campus police officer removed an explosive device from his backpack. The device was reportedly a small metal container, a cylinder that resembled a cigar tube, holding powder apparently extracted from shotgun shells. Police said the device lacked an ignition source. Several students had told a teacher about the student being in possession of something harmful in his backpack, and the teacher told the school resource officer who confronted the student.

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19-Sep-07Emerson NJEmerson, NJTwelve northern New Jersey schools closed after a letter threatening to blow up the schools at 11:30am was received. Police and dogs searched over 60 schools.

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28-Sep-07Houston TXHouston, TXA 12-year-old female middle school student, who had been suspended earlier in the day for threatening teachers returned to the school with a 9mm gun loaded with 14 rounds and wearing a bandana. The girl reportedly pointed the gun at a coach but was talked down by several adults. The school was in lockdown for about 15 minutes.

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10-Oct-07Plymouth Meeting PAPlymouth Meeting, PAA 14-year-old male was arrested for planning a Columbine-like attack and stockpiling a mass of weapons. Police reportedly found a 9mm semi-auto firearm, .22-caliber handgun, .22-caliber rifle, .32 caliber handgun, bomb-making instructions, videos of the Columbine attack, and other items. Police subsequently arrested the boy's 46-year-old mother for buying some of the weapons for her 14-year-old. A student and his father reportedly notified police when they learned of the plan.

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15-Oct-07Cleveland OHCleveland, OHA 13-year-old female K-8 school student was arrested after a school security officer confiscated a five-page note that listed teachers and a student the female wanted to shoot. Police found a gun at the house of an aunt and uncle where the girl lives. The girl claimed to be the girlfriend of the male who shot two teachers and two students, and then killed himself, at a Cleveland school the week before this incident.

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26-Oct-07 Tulsa OK Tulsa, OKPolice arrested an adult male who told a suicide counseling that he wanted to shoot up a high school about 20 minutes or so outside of Tulsa. The male was taken into custody for a mental exam.

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29-Oct-07Peachtree City GAPeachtree City, GAA 16-year-old female high school student, and a 15-year-old former student who was home-schooled at the time, were arrested in connection with threats posted on MySpace.com which indicated they wanted to shoot people at the school.

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7-Nov-07Medina County OHMedina County, OHCloverleaf High School was closed for the day after school officials found two graffiti threats on two bathroom walls. Police dogs searched the school and the school was monitored by law enforcement.

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5-Dec-07Cedar Rapids IACedar Rapids, IAA 14-year-old male was arrested and later adjudicated for a Columbine-style plot to shoot individuals at his middle school.

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6-Feb-08Los Angeles CALos Angeles, CAA masked male, estimated in the age range of 12 to 14 years old, reportedly went into an elementary school office with a semi-automatic handgun, waved his arms at administrators, and fled the building. The school locked down and students were later kept inside and away from the playground. The suspect was not apprehended.

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5-Mar-08 Trenton NJ Trenton, NJA 22-year-old male was charged and a 17-year-old male high school student admitted for mental health evaluation in connection with what police described as a "military-style plot" to attack the student's high school to kill students and teachers. Surveillance reportedly had been done to identify escape routes.

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3-Apr-08Cleveland OHCleveland, OHPolice responded to a charter school for a "hit list" that included plans to blow up the school, according to reports. While police were at the school, security officers told them they saw a student hide a gun near the school. Police went to a nearby house and found a loaded handgun.

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2-Sep-08 Willoughby OH Willoughby, OHA 15-year-old male high school student was arrested after firing a gun in the school's hallway and then once again at a trophy case around 9:30am. The student then put the gun to his head but was talked out of taking his own life by the principal, assistant principal and a teacher. The school was locked down and then later evacuated, according to reports. Police indicated the male had a .40-caliber gun with 31 rounds of ammunition in a duffel bag.

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1-Aug-08 Ardmore AL Ardmore, ALA 16-year-old male high school student was arrested and police found pictures of a mass shooting, and a list of students and teachers to kill. The male reportedly had five swords and was trying to recruit others to carry out the plot, which included burning a teacher alive according to reports.

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12-Aug-08 Grand Rapids MN Grand Rapids, MNTwo 12-year-olds were taken into custody after a parent saw plots for a school shooting at a middle school on one of the males MySpace web page.

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27-Aug-08Dade City FLDade City, FLA 16-year-old male student was taken into custody for plotting a shooting spree at his school. The male reportedly mapped out shooting areas on a school map he had taken from one of his classrooms. He also reportedly had threats posted on his MySpace web site.

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16-Oct-09Conway SCConway, SCA 16-year-old male high school student was shot and killed by a school resource officer following an altercation with the student in which the student allegedly stabbed the officer with a knife. The student had reportedly asked to speak with the officer and was taken into the officer's school office.

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24-Aug-09 San Mateo CA San Mateo, CAA 17-year-old male high school student detonated two pipe bombs in a hallway near the library. The male had a total of 10 pipe bombs, a sword, and a chainsaw, according to reports. A 35-year-old male teacher tackled the student and was credited with likely saving lives at the school. Police officers took the student into custody.

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1-Sep-09 Yazoo City MS Yazoo City, MSA 17-year-old male high school student was credited with saving the lives of 22 students after he wrestled a .380-caliber semi-automatic gun away from a 14-year-old female student who was threatening other students aboard the bus who she claimed has been harassing her.

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24-Sep-09 Weirton WV Weirton, WVTwo 19-year-old high school seniors were arrested in connection with an alleged plot involving a suicide note, bomb-making materials, and instructions on how to make bombs. Police became alerted to the threat when students started receiving text messages that something "big" going to happen at the school.

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28-Sep-09 Palisades CO Palisades, COAn 18-year-old male who was enrolled at a high school was arrested for an alleged plot to attack the school with weapons and explosives.

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30-Sep-09 Roanoke VA Roanoke, VAA 16-year-old high school student will be charged for having an explosive device at the school. School officials found an object containing firecrackers and metal objects inside an Axe body spray can during a search of the student. A portion of the school was closed and the Virginia State Police bomb squad was called as a precaution. The materials were reportedly determined to be explosive.

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7-Oct-09Ft. Wayne INFt. Wayne, INTwo guns, one a handgun and the other a rifle, were found in the trunk of a car of a high school student after school officials received a tip the male was involved in a threat with a student at another school. School and police officials acted quickly and four people were taken into custody for questioning.

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20-Oct-09Monroe NYMonroe, NYA 15-year-old male was taken into custody and held in a psychiatric facility for allegedly plotting an attack on his former high school. Police reportedly found four bottles filled with gasoline, a torch, machete, black trench coat, and three propane tanks.

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10-Nov-09Pine Plains NYPine Plains, NYA 42-year-old male took a middle school principal hostage at a combined middle and high school around the start of school about 8:00am. The incident was contained in one classroom. The suspect eventually surrendered to police without anyone harmed. Students and staff were locked down during the incident. Police searched room-by-room after the suspect was removed from the building. Parents were directed to a nearby restaurant parking lot several blocks away during the incident. The male reportedly brought a disassembled shotgun into the school, signed in the office as required, asked to use the restroom, and reassembled the gun in the restroom before taking the principal hostage. The male reportedly did this to get media attention about his concerns of wrongful treatment of military personnel.

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29-Nov-09Anchorage AKAnchorage, AKA 16-year-old male high school student was arrested in connection with having two pipe bombs and an improvised grenade at home. Police indicated he had them while on school grounds. They were discovered by his parent who contacted police.

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11-Dec-09 Bridgewater NJ Bridgewater, NJA 16-year-old high school student was charged with attempted murder, possession of explosives, and other charges after police reported finding bomb-making instructions, explosives, and ammunition at this home. Another student told the school resource officer (SRO) the male had told him of his plan, "...to commit a Columbine" at the school. The school was closed for the day as police and school officials searched the building.

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6-Jan-10 Cocoa FL Cocoa, FLA 17-year-old male high school student was arrested after police reportedly found an AK-47 assault rifle and two magazines with ammunition in a car parked at Cocoa High School.