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

An Unexpected Killer

S3, EP7 "Shot in the Dark"

An assassination, a bitter custody dispute and a gunman's cryptic words send police scrambling on an interstate hunt to find the killer of a beloved father and husband.

An Unexpected Killer

S3, EP8 "A Ringing Suspicion"

When the strangling death of a young mother and bride-to-be baffles police, detectives probe a workplace grievance in search of a killer, before a cherished possession provides a link to the crime and cracks the case wide open.

An Unexpected Killer

S3, EP9 "The Ties That Bind"

A wealthy trader and father of four is gunned-down at home while his family is tied up in a closet; police dig into affairs, mob links and a missing co-worker, until a new lead and a taped phone call reveal a plot decades later.

An Unexpected Killer

S3, EP10 "Wicked Night Out"

When a young mother is found dead in a field after a night out, police scour security video to retrace a suspect's steps; the discovery of a second crime scene leads to an arrest, before high-tech forensics reveal a truth no one expected.

An Unexpected Killer

S3, EP11 "A Date With Death"

A cat-loving and recently divorced young woman dipping her toes back in the dating game is beaten and strangled in a brutal and unusual way; investigators dive into the murky world of online dating to hunt a killer who could be ready to strike again.

An Unexpected Killer

S3, EP12 "Twisted Intentions"

Detectives discover the badly beaten body of a single young woman left bizarrely staged on her bed; fear in the community grows amid a rash of nearby murders until police are handed a break when a fresh look at old evidence points to the killer.

An Unexpected Killer

S3, EP13 "A Silent Death"

A beloved teacher and mother of four silently vanishes in the middle of the night; a blood-soaked bedroom and lakeside discovery point police to a killer close to home until mysterious tracks in the mud lead to a culprit no one suspected.

An Unexpected Killer

S3, EP14 "Death on the Driveway"

When a loving father of two is gunned down on his driveway, police uncover a hidden affair and workplace grudges before a nervous witness and chilling confession reveal a vicious vendetta from a killer no one expected.

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.

Mark of a Serial Killer

S1, EP2 "The Last Call Killer"

In New Jersey four bodies are found dismembered, bagged, and thrown in roadside garbage cans; the "Last Call Killer" hunted his victims openly in piano bars but no one suspected he could be hiding in plain sight, working as a local nurse.

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