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Release date: 09/12/2004 
Popularity: 6 
Original language: EN 
Add to favoritesZero Hour: Massacre at Columbine High
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Overview
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.
