Watch Full Episodes of Mark of a Killer
Mark of a Killer Full Episode Guide
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In the 1990's, Louisiana is terrorized by multiple serial killers. The small-town PD of Zachary discover the key to solving their cases when a pattern emerges with personal items missing from each local victim.
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Reexamining the case of a serial killer who taunted Witchita, Kansas, for decades, but got sloppy and accidentally left a digital clue behind in his final taunt to the police.
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The I-5 corridor in California is taken over by a brazen bandit who terrorizes the highway with a blitz of assaults and murders. The only clue to the identity of the killer is a specific athletic tape used to bind his victims.
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A string of women are found dead by the side of the road with a unique ligature that looks like a dog collar and leash. Detectives are stumped until a 17-year-old girl manages an escape from a vicious kidnapper, leading police to a serial killer.
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Police have found a string of murdered women in shallow graves in very remote areas of the Alaskan wilderness. After months of searching police zero in on a local family man who's been living a double life that no one suspected.
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A rash of young men go missing around Chicago during the 1970's. When bodies start washing up in the river, a pattern emerges. A small piece of evidence leads police to the house of a model citizen where his furnace puts the suspect in the hot seat.
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In the 1990's, New York is on edge as a killer leaves coded clues at crime scenes and declares his compulsion to choose victims by their birth signs. Police race against time before he can achieve 12 killings to complete the Zodiac.
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Brooklyn shopkeepers are afraid of closing time as a killer shoots his victims while locking up their stores. Police release surveillance footage to the press and ask the public for help to find a duffle bag wielding murderer before he strikes again.
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In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars with a gigantic, .44 caliber handgun. He taunts the city with terrifying letters until police get a lead about a suspect who has shot a neighbor's dog.
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Twin Cities, MN, police are hunting for a killer caller who confesses to a string of murders in a chilling, high-pitched voice, begging for forgiveness.
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Texas authorities have a killer riding the rails and leaving a literal trail of bread crumbs after eating at victims' tables.
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A killer hijacks the highways of Sacramento as several women are found strangled with their clothing cut into precise but odd patterns. A survivor leads police to a sports car driving deviant posing as a good samaritan to poach potential victims.
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Can't get enough Mark of a Killer? Check out this exclusive clip that wasn't shown on air.
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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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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.
