Mark of a Serial Killer

Mark of a Serial Killer - Oxygen

Oxygen

Reality Series

2019

TV14

Crime

Docudrama

Taking a deep dive into serial killers’ depraved psyches to reveal their darkest secrets.

Where to Stream

2019– Reality Series 3 Seasons31 Episodes

Upcoming TV Airings

The airings below are based on a generic national schedule. Times and dates can vary by TV provider.

Friday, August 1

The Bayou Strangler

Season 3 • Episode 12

A task force is formed when multiple bodies are dumped around Louisiana's bayou area.

Friday, August 1

The Skull Crusher

Season 3 • Episode 13

A killer in Hartford, Conn., with a devastating mark that leaves his victims nearly unrecognizable.

Friday, August 1

The D.C. Sniper

Season 3 • Episode 14

A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims.