For True Crime buffs who love the twists and turns of a criminal investigation, Oxygen True Crime has a deep library of shows that ask the provocative questions, run exhaustive investigations and look for ways that  justice always is served

Mark of a Serial Killer

S3, EP8 "The Tourniquet Killer"

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

Mark of a Serial Killer

S3, EP9 "Deaths in the Desert"

El Paso investigators race to track down a ruthless killer who is burying his victims in shallow desert graves, dead or alive.

Mark of a Serial Killer

S3, EP10 "Summer of Fear"

Chaos descends on Phoenix as two serial killers compete for the media's attention and the bodies pile up faster than the police can investigate.

Mark of a Serial Killer

S3, EP11 "The Monster"

Investigators in East Baton Rouge, La., hunt for a serial murderer who carefully carves up and cuts the bodies of his victims after death.

Mark of a Serial Killer

S3, EP12 "The Bayou Strangler"

When multiple victims' bodies are dumped around Louisiana's bayou area, a task force is formed to catch a killer who police believe may have strangled over 20 men.

Mark of a Serial Killer

S3, EP13 "The Skull Crusher"

Police in Hartford, Conn., investigate a string of ruthless killings in the Asylum Hill area committed by a killer with a devastating mark that leaves his victims nearly unrecognizable.

Mark of a Serial Killer

S3, EP14 "The D.C. Sniper"

A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims out in public and in plain sight.

Mark of a Serial Killer

S1, EP1 "Posed to Kill"

In 1990, a serial killer terrorizes the University of Florida's campus, killing five students in under four days; the Gainesville Ripper leaves behind a crime scene where all the victims have been stabbed but the females have been posed like dolls.

In Ice Cold Blood

S3, EP7 "Murder in Paradise"

A single mother is strangled to death in the middle of a Hawaiian paradise; investigators quickly focus in on two suspects, but nothing comes easy as they spend more than a decade striving to bring her killer to justice.

In Ice Cold Blood

S3, EP8 "High Stakes Homicide"

A retired couple are found beaten to death in their country club estate, but detectives soon discover that what happens in Vegas doesn't always stay there as they hunt down this monstrous killer.

In Ice Cold Blood

S3, EP9 "Dungeons, Dragons, and Death"

A young woman is stabbed to death and suspects include a warlock and a rumored Wiccan lover; the case goes unsolved for years, until a triple homicide leads investigators to a dark obsession that costs four people their lives.

In Ice Cold Blood

S3, EP10 "Beauty Queen Murder"

A local beauty queen is found dead in a lake; as her small town grieves, law enforcement finds itself on a 20-plus year investigation that leads to a killer who was hiding in plain sight.

In Ice Cold Blood

S3, EP11 "Two Condoms, One Killer"

An apartment fire proves to be arson set to cover up the murder of a young woman, but the discovery of a secret double life and unique evidence leads detectives to the killer.

In Ice Cold Blood

S3, EP12 "The Beautician and the Beast"

A witness comes face to face with the killer of a small-town beautician, but despite having an eyewitness, it would take years and a surprise tip to lead detectives to who strangled a beloved member of the community.

In Ice Cold Blood

S3, EP13 "A Dragon in the Farmhouse"

When a 4-year-old finds his great-grandparents melted, he runs for help, launching an investigation into their double murder; greed takes center stage as detectives unwind this heart-wrenching case that leads them to a suspect no one saw coming.

In Ice Cold Blood

S3, EP14 "Missing in Memphis"

A young woman disappears, leaving the community hoping for her safe return; when she is found murdered, a string of mysterious anonymous tips takes detectives into a toxic world of jealousy and obsession.

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