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Columbine High School shooting: Media

mass shooting, Littleton, Colorado, United States [1999]

Images

Grief at Columbine
Three teenagers consoling each other at a vigil service in Denver that honored the...
Laura Rauch—AP/Shutterstock.com

Interactives

Mass shooting
Graph depicting the number of mass shootings in the United States by year.
Encyclopædia Britannica, Inc./Kenny Chmielewski