Massacre at Columbine High

시즌 1, 에피소드 3: Massacre At Columbine High chronicles the final hour that saw the worst high school massacre in American history. On the morning of April 20, 1999, in the affluent suburban town of Littleton, Colorado, Columbine High students Eric Harris and Dylan Klebold shot and killed 12 students and one teacher, injured 23 others and then turned the guns on themselves.