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WATCH NEWEST EPISODES
S3 E1 - Episode 1
S3 E2 - Episode 2
S3 E3 - The Charmer
S3 E4 - The Englewood Killer
S3 E5 - Classified to Kill
S3 E6 - The Interstate Killer
S3 E7 - The Grim Sleeper
S3 E8 - The Tourniquet Killer
S3 E9 - Deaths in the Desert
S3 E10 - Summer of Fear
S3 E11 - The Monster
S3 E12 - The Bayou Strangler
S3 E13 - The Skull Crusher
S3 E14 - The D.C. Sniper
Streaming, rent, or buy Mark of a Killer – Season 3:
Currently you are able to watch "Mark of a Killer - Season 3" streaming on Hayu, Hayu Amazon Channel.
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Synopsis
The behaviors and patterns may differ, but some serial killers simply cannot resist leaving a personal mark on each of their heinous crimes. From postmortem rituals to crime scene mementos, these perverse trademarks are often meant to taunt law enforcement but can end up providing vital clues that help the investigators bring down the perpetrator.
