Columbine High School Shooting- 1999, 12 students and 1 teacher killed, audio and video is still available, the plan was to set up bombs in the cafeteria and blow them up, they didn’t go off so the two teenagers starting shooting.
Most people killed in the library, the shooters killed themselves afterwards.
Affected not only Columbine but schools all around the nation. Questions about school safety and gun safety come up, Dylan’s (shooter) mom becomes a gun control activist.
Police never entered the library despite the shooting being active because they didn’t have training on what to do.