To the outside world, she looked like a guide and protector. But behind the mask was something far more dangerous—“a wolf in sheep’s clothing." Ruby & Jodi: A Cult of Sin and Influence continues tonight on ID and streaming on @hbomax | Investigation Discovery

He sat across from detectives, calm and emotionless—even as they confronted him about the brutal murder of his own family. Watch #SignsOfAPsychopath Sunday on ID. | Investigation Discovery

For the first time in 50 years, Elmer Wayne Henley Jr. speaks. “The Serial Killer’s Apprentice” explores his twisted bond with Dean Corll—aka The Candyman Killer. Stream The Serial Killer’s Apprentice on HBO Max @hbomax | Investigation Discovery