Zero Hour: Massacre at Columbine High (2004)
Premiere 1 Jan 2004 | 47 min | Documentary
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This movie covers the final hour leading up to the Columbine High Massacre. On April 20, 1999, two boys from Columbine High School in Colorado embarked on a massacre and killed 12 students, one teacher, and injured 21 other students, before turning the guns on themselves.