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Mark of a Killer

Serial killer behaviors, postmortem rituals, and crime scene souvenirs are examined in Mark of a Killer.

Show Info

Network: United States Oxygen (2019 - now)
Schedule: Sundays at 19:00 (60 min)
Status: Running
Show Type: Documentary
Genres: Crime

Official site:

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Previous Episode

Summer of Fear

Episode 3x10; Nov 7, 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.

Previous Episodes

Episode NameAirdateTrailer
3x10: Summer of FearNov 7, 2021
3x09: Deaths in the DesertOct 31, 2021
3x08: The Tourniquet KillerOct 31, 2021
View full episode list »
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