Special Report

Most of America's Mass Shootings Have Happened Since Columbine: Here Are the Deadliest

Source: Bob Levey / Getty Images

18. Santa Fe High School shooting
> Victims: 9 fatalities, 5 injuries
> Date and place: March 21, 2015 in Santa Fe, Texas
> Weapon(s) used: Shotgun, .38 pistol (all weapons illegally obtained)

Source: Scott Olson / Getty Images

17. Umpqua Community College shooting
> Victims: 9 fatalities, 7 injuries
> Date and place: Oct. 1, 2015 in Roseburg, Oregon
> Weapon(s) used: 5 pistols, 5.56mm rifle (all weapons legally obtained)

Source: Scott Olson / Getty Images

16. Red Lake, Minnesota shooting
> Victims: 10 fatalities, 10 injuries
> Date and place: May 18, 2018 in Red Lake indian reservation
> Weapon(s) used: .22 pistol, .40 pistol, 12-Gauge Shotgun (all weapons illegally obtained)

Source: Jeff Swensen / Getty Images

15. Pittsburgh synagogue shooting
> Victims: 11 fatalities, 6 injuries
> Date and place: Oct. 27, 2018 at Tree of Life synagogue
> Weapon(s) used: 3 .357 pistols, semi-automatic rifle (all weapons legally obtained)

Source: Chip Somodevilla / Getty Images

14. Aurora, Colorado shooting
> Victims: 12 fatalities, 58 injuries
> Date and place: July 20, 2012 at Century Aurora 16 Multiplex Theater
> Weapon(s) used: 12-gauge shotgun, .223 semi-automatic rifle, .40 pistol (all weapons legally obtained)