Watch Oxygen's favorite hit shows and bonus clips.

OXYGEN

A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.

Mark of a Serial Killer

The Tourniquet Killer

A killer crisscrosses the Midwest leaving a string of victims along the interstate, but when he realizes investigators are hot on his trail the murderer suddenly changes his mark.

The Interstate Killer

Chicago detectives believe that a serial killer is using classified ads to lure and murder his victims.

Classified to Kill

Chicago police investigate the murders of several women, whose bodies are discovered in abandoned buildings barefoot.

The Englewood Killer

After a series of women in the Seattle area are found brutally murdered with their bodies posed, police realize that they might have a killer stalking the area nightclub scene who is able to charm his victims into submission.

The Charmer

After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar.

The I-95 Killer

Watch TV Networks, Shows and Movies | DIRECTV

The latest movies and must watch shows!

Watch It Welcome to Derry on the HBO Max app, included with an HBO Max subscription.

Data/messaging rates may apply for app download/usage. HBO Max subscription required.

Welcome to your ultimate entertainment destination. Watch new episodes of Jeremy Renner in the new season of Mayor of Kingstown and more all in one network.

Watch exclusive originals like the adventure drama Robin Hood and Hollywood hit movies.

MGM+ is a trademark of Metro-Goldwyn-Mayer Lion Corp. All copyrights, trademarks, and other intellectual property or proprietary rights are the property of their respective owners.

Watch visionary original series like Spartacus: House of Ashur, Power Book IV: Force, Outlander: Blood of My Blood, BMF and much more.

Watch Hollywood hits like Civil War and behind-the-scenes exclusives when you add CINEMAX to your current DIRECTV package.

Following serial killers on the trails of their obsession and taking a deep dive into the killers' depraved psyches to reveal their darkest secrets as investigators close in to end the killers' reign of terror.

S3 E8 | The Tourniquet Killer