Retro Report: What We Got Wrong About Columbine

Columbine high school shooters Eric Harris (L) and Dylan Klebold appear in this video capture of a surveillance tape in the cafeteria at Columbine High School April 20, 1999 in Littleton, CO.
( Jefferson County Sheriff's Department / Getty )

Produced by Mythili Rao and Kristen Meinzer

Hosted by Todd Zwillich

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