Mark of a Serial Killer

  • Premiered: Jan 2019
  • Episodes: 30
  • Followers: 11
  • Running
  • Oxygen
  • Saturday at 20
  • Crime Documentary

Seasons:

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Season 3
3x1
The I-40 Killer
Episode overview
Air date
Apr 12, 2021
A killer is murdering and mutilating young women along the Route 40 corridor in Delaware. But when investigators set up an undercover operation, the hunter soon becomes the hunted.
3x2
The I-95 Killer
Episode overview
Air date
Apr 13, 2021
After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar. Police ask the public for help in tracking down a dangerous drifter before he kills again.
3x3
The Charmer
Episode overview
Air date
Apr 14, 2021
A series of women in the Seattle area are found brutally murdered, their bodies posed. Police realize they may have a killer stalking the area nightclub scene, one who is able to charm his victims into submission.
3x4
The Englewood Killer
Episode overview
Air date
Apr 15, 2021
Chicago police are investigating the murders of several women, whose bodies are discovered in abandoned buildings barefoot. Evidence indicates there is one offender, now police need to locate him.
3x5
Classified to Kill
Episode overview
Air date
Apr 16, 2021
Chicago detectives believe a serial killer is using the classified ads to lure and murder his victims. The investigation is set ablaze when flames obliterate evidence, until police make a shocking discovery.
3x6
The Interstate Killer
Episode overview
Air date
Oct 17, 2021
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.
3x7
The Grim Sleeper
Episode overview
Air date
Oct 24, 2021
A cold-blooded killer conceals his victims' bodies with trash, discarding them like garbage in the back alleyways of Los Angeles.
3x8
The Tourniquet Killer
Episode overview
Air date
Oct 31, 2021
A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
3x9
Deaths in the Desert
Episode overview
Air date
Oct 31, 2021
El Paso investigators race to track down a ruthless killer that is burying his victims in shallow desert graves, dead or alive.
3x10 Midseason finale
Summer of Fear
Episode overview
Air date
Nov 07, 2021
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.
3x11
The Monster
Episode overview
Air date
Apr 02, 2022
In East Baton Rouge, investigators are on the hunt for a serial murderer. Their main clue? The killer carefully carves up and cuts the bodies of his victims after death.
3x12
The Bayou Strangler
Episode overview
Air date
Apr 09, 2022
When multiple victims' bodies are dumped around the Louisiana Bayou area, a task force is formed to catch a killer who police believe may have strangled over 20 men.
3x13
The Skull Crusher
Episode overview
Air date
Apr 16, 2022
Hartford, CT police investigate a string of ruthless killings in the Asylum Hill area committed by a vicious killer with a devastating mark that leaves his victims nearly unrecognizable.
3x14
The D.C. Sniper
Episode overview
Air date
Apr 23, 2022
A serial sniper terrorizes the entire DC metro area by discreetly targeting random victims out in public and in plain sight.

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