See, unlike you, Dano, I can provide evidence. Pearl, MS shooting - 2 killed, 7 wounded. Stopped by armed principal. Appalachian Law School shooting - 3 killed, 3 wounded. Stopped by armed students and unarmed student. Stories differ as to who initiated contact with the shooter though. New Life Church - 2 killed, 2 wounded. Shooter was wounded by armed member and subsequently killed himself. Golden Food Market - 1 wounded. Shooter wounded and subdued by person with CCW. AT&T Shooting (New York Mills, NY) - 1 killed. Shooter killed by customer who was an off-duty law enforcement officer. Killer had a hit-list of six people. Trolley Square Shooting - 5 killed, 4 wounded. Confronted and killing stopped by off-duty law enforcement officer. Shooter killed by SWAT. Winnemuca Bar Shooting - 2 killed. Shooter shot and killed by CCW permit holder. Parker Middles School dance Shooting - 1 Killed, 3 wounded. Subdued by armed owner of the establishment. Destiny Christian Center shooting (Aurora, CO) - 1 Dead. Shooter killed by off-duty law enforcement officer. Accent Signage Systems shooting (Minneapolis) - 5 killed, 3 wounded. Shooter killed self. Sikh Temple shooting - 6 killed, 4 wounded. Shooter killed self. Auroa Theater Shooting - 12 killed, 58 wounded. Shooter apprehended by responding law enforcement. Korean Christian College - 7 killed. Shooter apprehended by law enforcement several miles from the scene. Chardon, Ohio High School Shooting - 3 killed, 3 wounded. Apprehended by law enforcement after leaving the school. Salon Meritage Hair Salon Shooting - 8 killed, 1 wounded. Apprehended by law enforcement after leaving the scene. IHOP Shooting (Carson City, NV) - 8 killed, 5 wounded. Shooter killed self. Hartford Beer Distributer Shooting - 8 killed, 2 wounded. Shooter killed self. Ft. Hood Shooting - 13 killed, 29 wounded. - Shooter was shot and apprehended by law enforcement. Binghampton, NY Immigration Center Shooting. - 13 killed, 4 wounded. Shooter killed self. Northern Illinois University Shooting - 6 killed, 21 wounded. Shooter killed self. Kirkwood City Hall Shooting (Missouri) - 6 killed, 2 wounded. Shooter killed by police. Westroads Mall (OK) - 9 killed, 4 wounded. Shooter killed self. Virginia Tech Shooting - 32 killed, 24 wounded. Shooter killed self. Trolley Square Shooting (Salt Lake City) - 5 killed, 4 wounded. Shooter killed by police. Capitol Hill Shooting (Seattle) - 7 killed, 2 wounded. Shooter killed self. Red Lake Senior High School Shooting - 9 killed, 5 wounded. Shooter killed self. Living Church of God Shooting - 9 killed, 4 wounded. Shooter killed self. Lockheed Martin Shooting (MS) - 6 killed, 14 wounded. Shooter killed self. Wedgewood Baptist Church (TX) - 7 killed, 7 wounded. Shooter killed self. Atlanta Day Trader Shooting (Mark Barton) - 9 killed, 13 wounded. Shooter killed self. Columbine - 13 killed, 21 wounded. Shooters killed themselves. Average of those killed when an armed person intervenes in a shooting: 1.9 Average of those wounded when an armed person intervenes: 2.2 Average of those killed when an armed person does not intervene: 9.1 Average of those wounded when an armed person does not intervene: 10.5