这一段,从Gun free zone通过至克林顿任期
9年9起,基本上每年都有
1999, 20 April - Columbine High School massacre - (15 deaths)
1998, May 21 - Thurston High School shooting - (4 deaths)
1998, March 24 - Mitchell Johnson and Andrew Golden - (5 deaths)
1997, December 1 - Heath High School shooting - (3 dead)
1997, October 1 - Pearl High School shooting - (3 dead)
1996, August 15 - San Diego State University shooting - (3 dead)
1996, February 2 - Frontier Middle School shooting- (3 dead)
1992, May 1 - Lindhurst High School shooting - (3 dead)
1991, 1 November - University of Iowa shooting - (6 deaths)
奥巴马时期8年11起
2017, November 14 - Rancho Tehama Reserve shootings - (6 dead)
2017 April 10 - North Park Elementary School shooting - (3 dead)
2015, 1 October - Umpqua Community College shooting - (10 dead)
2014, October 24- Marysville Pilchuck High School shooting - (5 dead)
2013, June 7 - 2013 Santa Monica shooting - (6 dead)
2013, January 15 - (3 dead) [18]
2012, December 14- Sandy Hook Elementary School shootings - (28 deaths)
2012, 2 April - Oikos University shooting - (7 deaths)
2012, February 27 - Chardon High School shooting- ( 3 dead)
2010, February 12 - University of Alabama in Huntsville shooting - (3 dead)
2008, February 14 - Northern Illinois University shooting - (6 deaths)