Steve Eifert
Mark of a Killer (2019)
Season 4
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
S4E1 - 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
S4E2 - 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
S4E3 - 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
S4E4 - 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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