Dave Cullen is the author of the New York Times bestseller Columbine, and the upcoming Soldiers First from HarperCollins.

NEVER FORGET

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.

STRANGE TURN

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.

COLUMBINE

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.