The Boulder King Soopers shooting, in which 10 people died on March 22, 2021, is the third-deadliest mass shooting in Colorado.
The shooting at Columbine High School on April 20, 1999, remains the deadliest, with 13 killed and 24 injured. Twelve people died in the Aurora theater shooting July 20, 2012, and 70 were injured.
In the eight mass shootings, defined here as incidents in which four or more people were killed or wounded in a public space, since 1993, 48 people have died and 123 have been injured. The gunmen are not included in the totals.
While mass shootings garner a lot of media attention, they account for only a small fraction of overall gun deaths.
A list follows the chart.
Colorado mass shootings
March 22, 2021
King Soopers, Boulder: A man killed 10 people in a grocery store, including a police officer. The gunman, 21, who was wounded, was arrested. Story • Victims
May 7, 2019
STEM School, Highlands Ranch: Two students at the school, ages 18 and 16, entered a classroom and shot and killed a student, Kendrick Castillo, who tried to stop them. Eight others were injured during the incident. The gunmen were arrested. Story • Victims
Dec. 31, 2017
Copper Canyon Apartments, Highlands Ranch: Douglas County sheriff’s deputies responded to a domestic disturbance call at an apartment complex and were ambushed by a gunman. One deputy, Zackari Parrish, died and four others were injured, as were two bystanders. The gunman, 37, died in a shootout with officers. Story • Victims
Nov. 27, 2015
Planned Parenthood, Colorado Springs: A gunman killed three people, including a police officer, at a Planned Parenthood clinic. Nine people were injured in the shooting. The gunman, 57, was arrested after a standoff. Story • Victims
July 20, 2012
Century Aurora 16 movie theater, Aurora: A gunman entered a midnight premiere of a Batman movie and killed 12 people and injured 70. The gunman, 24, who had booby-trapped his apartment with explosives, was arrested while trying to escape. Story • Victims
Dec. 9, 2007
Youth With a Mission, Arvada; New Life Church, Colorado Springs: A gunman killed two people and injured two others on a church campus in Arvada, and hours later killed two more people and injured three others at a Colorado Springs church. The gunman, 24, was killed by a security guard. Story • Victims
April 20, 1999
Columbine High School, unincorporated Jefferson County: Two students, ages 17 and 18, armed with weapons and explosives killed 12 students and a teacher at the school before taking their own lives. Twenty-four people were injured in the attack. Story • Victims
Dec. 14, 1993
Chuck E. Cheese’s Pizza, Aurora: A former employee who had been fired the previous summer returned to the restaurant and killed four workers, wounding another. The gunman, 19, was arrested. Story • Victims
Other Colorado shootings
Deaths and injuries in these shootings are not included in the totals above.
Nov. 1, 2017
Walmart, Thornton: A man walked into the store with a handgun, shot and killed three people near the front of the store, then left. The gunman, 47, was later arrested. Story • Victims
Oct. 31, 2015
Colorado Springs: A man shot and killed three people over several blocks in a neighborhood east of downtown. The gunman, 33, died in a shootout with police. Story • Victims
Dec. 13, 2013
Arapahoe High School, Centennial: A student, 18, entered the school with a shotgun seeking a specific teacher, who left the school hoping to draw the gunman away from the school. The gunman stayed in the school, shot another student, Claire Davis, 17, who later died, before killing himself. Story • Victim
Feb. 23, 2010
Deer Creek Middle School, unincorporated Jefferson County: A man with a high-powered rifle shot and injured two eighth-graders outside the school. The gunman, 32, was arrested. Story
Sept. 27, 2006
Platte Canyon High School, Bailey: A man entered the school and took six hostages. During a 3 1/2 hour standoff with police, he released four of the hostages. The gunman fired at SWAT officers as they entered the building, and then shot Emily Keyes, 16, who later died. The gunman, 53, then killed himself. Story • Victim
Source: Read Full Article