Steve Eifert
Mark of a Killer (2019)
Season 3
All serial killers commit murder to satisfy their grand fantasies, but the murderers featured in this true-crime docuseries take it one step further, committing heinous acts that allow them to extend their fantasies and relive the excitement of their crimes again and again.
Released Jan. 21, 2019
Episode 43 min
14+
Genres: Crime, Documentary
Keywords: imdb.serial, imdb.serial-killer-crime, imdb.killer, imdb.true-crime, imdb.murder, imdb.death, imdb.violence + 24 more, imdb.crime-documentary, imdb.true-crime-documentary, imdb.murderer, imdb.killed-by-a-serial-killer, imdb.murder-victim, imdb.serial-killer-m-o, imdb.crime-scene, imdb.homicide, imdb.murder-investigation, imdb.homicide-investigation, imdb.hunt-for-a-serial-killer, imdb.detective, imdb.police-detective, imdb.homicide-detective, imdb.police-investigation, imdb.reenactment, imdb.criminal, imdb.murder-trial, imdb.trial-for-murder, imdb.convicted-murderer, imdb.scene-of-the-crime, imdb.predator, imdb.modus-operandi, imdb.evil
Watch Providers: NBC, fuboTV, Peacock Premium, Peacock Premium Plus, OXYGENYouTube TV
Network: Oxygen
Country: United States
Languages:
English
S3E1 - The I-40 Killer
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.
April 12, 2021, midnight
S3E2 - The I-95 Killer
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.
April 13, 2021, midnight
S3E3 - The Charmer
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
April 14, 2021, midnight
S3E4 - The Englewood Killer
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.
April 15, 2021, midnight
S3E5 - Classified to Kill
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.
April 16, 2021, midnight
S3E6 - The Interstate Killer
A killer crisscrosses the Midwest leaving a string of victims along the interstate. When investigators are hot on the highway killer’s trail, the murderer suddenly changes his mark.
Oct. 17, 2021, midnight
S3E7 - The Grim Sleeper
A cold-blooded killer conceals his victims' bodies with trash, discarding them like garbage in the back alleyways of Los Angeles.
Oct. 25, 2021, midnight
S3E8 - The Tourniquet Killer
A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
Oct. 31, 2021, midnight
S3E9 - Deaths in the Desert
El Paso investigators race to track down a ruthless killer that is burying his victims in shallow desert graves, dead or alive.
Oct. 31, 2021, midnight
S3E10 - 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.
Nov. 7, 2021, midnight
S3E11 - The Monster
Investigators in East Baton Rouge, Louisiana, hunt for a serial murderer who carefully carves up and cuts the bodies of his victims after death.
April 2, 2022, midnight
S3E12 - 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.
April 9, 2022, midnight
S3E13 - The Skull Crusher
Police in Hartford, Connecticut 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.
April 16, 2022, midnight
S3E14 - 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.
April 23, 2022, midnight
Network: Oxygen
Episode Runtime: 43 min.
Season Runtime: 43 min.
Released: Jan. 21, 2019
Last Air Date: April 23, 2022, midnight
Status: Returning Series
Certification: TV-14 / 14+
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