The deadliest school shooting in US history, minute by horrifying minute.
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.
Direction
Reconstruction technique without exploitation.
Editing
Real-time countdown structure ratchets dread perfectly.
Director
David Hickman
Trivia, insights & behind the scenes
Released just five years after the actual massacre, making it one of the earliest documentary reconstructions. Some survivors criticized its speed.
The 'zero hour' title format became a grim franchise—this was the original that launched copycat docs about other tragedies.
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