Dave Cullen

Susan Klebold, the mother of Columbine shooter Dylan, has a new book. It’s worth remembering the other survivors left to piece together their broken families.

Rick Santorum revived the myth of Columbine martyr Cassie Bernall while defending Kim Davis, a reminder that evangelicals thought things would be very different post-Columbine.

The only detrimental thing this Missouri defenseman could’ve done to his football career was keep his mouth shut.

Our explanations for why students shoot their classmates are often completely wrong, writes Dave Cullen

Dave Cullen reveals the secret meeting of Eric Harris' parents with his victims' kin—offering a rare glimpse into how they saw their son.

The suspect in the University of Alabama shootings is extremely unusual in one regard: It's a woman. Columbine author Dave Cullen separates facts from myths on school shootings.