Zero Hour: Massacre at Columbine High (2004)
Zero Hour: Massacre at Columbine High is a 2004 documentary movie directed by David Hickman, with a running time of 52m. It stars David Morrissey, Ben Johnson and Josh Young.
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.