Oxygen Staff

Oxygen takes viewers inside some of the most terrifying cults in history.

From cannibal killer Jeffrey Dahmer to the mysterious crimes of Israel Keyes, these true crime shows reveal the real stories behind some of the country's most notorious serial killers.

The series recounts the horrific homicide cases where cult leaders executed manipulative control to sway followers within the group to kill.

From Ted Bundy to the Hollywood Ripper, Oxygen's "deadliest event" in true crime history will cover some of the most notorious serial killers.

The two-night special reexamines the case with groundbreaking new technology and investigative insights in the hope of uncovering new information and finally revealing the truth to the families of Steve, Michael, and Christopher, the “forgotten” West Memphis Three.

Binging all your favorite "Snapped" episodes has never been easier.

Still unsure how to watch full episodes of "Dateline: Secrets Uncovered"? There are more ways to tune in than you think!

Oxygen also picks up a second season of "Injustice With Nancy Grace" for the true crime destination's 2020 slate.

Michael Gargiulo, dubbed the "Hollywood Ripper," was found guilty of murdering two women and attempting to kill a third in Los Angeles. 

12 Dark Days of Serial Killers runs April 9-20 with back-to-back premieres, including new specials “Catching a Serial Killer: Sam Little” and “Snapped: Notorious Hollywood Ripper.”