An Unexpected Killer
A restaurant is robbed and the night manager murdered, leading police to investigate co-workers.
2026-01-12 11:48:00 +0000 UTC→2026-01-12 12:37:00 +0000 UTC(49m)
Schedule for Oxygen True Crime Archives
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Mark of a Serial Killer
In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars.
2026-01-16 08:14:00 +0000 UTC→2026-01-16 09:04:00 +0000 UTC(50m)
Mark of a Serial Killer
Minnesota police hunt for a killer caller who confesses to a string of murders.
2026-01-16 07:25:00 +0000 UTC→2026-01-16 08:14:00 +0000 UTC(49m)
Mark of a Serial Killer
A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims.
2026-01-16 06:35:00 +0000 UTC→2026-01-16 07:25:00 +0000 UTC(50m)
Mark of a Serial Killer
A killer in Hartford, Conn., with a devastating mark that leaves his victims nearly unrecognizable.
2026-01-16 05:46:00 +0000 UTC→2026-01-16 06:35:00 +0000 UTC(49m)
Mark of a Serial Killer
A task force is formed when multiple bodies are dumped around Louisiana's bayou area.
2026-01-16 04:56:00 +0000 UTC→2026-01-16 05:46:00 +0000 UTC(50m)
Mark of a Serial Killer
Louisiana investigators hunt for a serial murderer who carves up the bodies of his victims.
2026-01-16 04:06:00 +0000 UTC→2026-01-16 04:56:00 +0000 UTC(50m)
Mark of a Serial Killer
Two serial killers compete for the media's attention and the bodies pile up.
2026-01-16 02:29:00 +0000 UTC→2026-01-16 04:06:00 +0000 UTC(1h37m)
Mark of a Serial Killer
El Paso investigators race to track down a killer who buries his victims in shallow desert graves.
2026-01-16 01:40:00 +0000 UTC→2026-01-16 02:29:00 +0000 UTC(49m)
Mark of a Serial Killer
A killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
2026-01-16 00:50:00 +0000 UTC→2026-01-16 01:40:00 +0000 UTC(50m)
Mark of a Serial Killer
A cold-blooded killer conceals his victims' bodies with trash in the back alleyways of Los Angeles.
2026-01-16 00:01:00 +0000 UTC→2026-01-16 00:50:00 +0000 UTC(49m)
Mark of a Serial Killer
A killer crisscrossing the Midwest and leaving a string of victims suddenly changes his mark.
2026-01-15 23:11:00 +0000 UTC→2026-01-16 00:01:00 +0000 UTC(50m)
Mark of a Serial Killer
Detectives believe that a serial killer is using classified ads to lure and murder his victims.
2026-01-15 22:22:00 +0000 UTC→2026-01-15 23:11:00 +0000 UTC(49m)
Mark of a Serial Killer
Female murder victims are discovered in abandoned buildings barefoot.
2026-01-15 21:32:00 +0000 UTC→2026-01-15 22:22:00 +0000 UTC(50m)
Mark of a Serial Killer
After women are murdered, police suspect the killer is able to charm his victims into submission.
2026-01-15 20:43:00 +0000 UTC→2026-01-15 21:32:00 +0000 UTC(49m)
Mark of a Serial Killer
Police seek help finding a dangerous drifter after multiple men are brutally murdered.
2026-01-15 19:53:00 +0000 UTC→2026-01-15 20:43:00 +0000 UTC(50m)
Mark of a Serial Killer
A killer is murdering and mutilating young women along the Route 40 corridor in Delaware.
2026-01-15 19:04:00 +0000 UTC→2026-01-15 19:53:00 +0000 UTC(49m)
Mark of a Serial Killer
In the 1990s, Louisiana is terrorized by multiple serial killers; Zachary Police Department.
2026-01-15 18:14:00 +0000 UTC→2026-01-15 19:04:00 +0000 UTC(50m)
Mark of a Serial Killer
A serial killer taunts Wichita, Kan., for decades with brazen letters.
2026-01-15 17:25:00 +0000 UTC→2026-01-15 18:14:00 +0000 UTC(49m)
Mark of a Serial Killer
The I-5 corridor in California is taken over by a brazen bandit who terrorizes the highway.
2026-01-15 16:36:00 +0000 UTC→2026-01-15 17:25:00 +0000 UTC(49m)
Mark of a Serial Killer
Numerous women are found dead with a unique ligature that looks like a dog collar and leash.
2026-01-15 15:46:00 +0000 UTC→2026-01-15 16:36:00 +0000 UTC(50m)
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