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Mark of a Killer
WATCH EPISODES

S2 E104/09/20

Killer Caller
Also available on the nbc app

Twin Cities, MN, police are hunting for a killer caller who confesses to a string of murders in a chilling, high-pitched voice, begging for forgiveness. No one can identify him until one woman survives a brutal attack.

Available until 04/16/21
Appearing:
Tags: mark of a killer, oxygen, True Crime, serial killers
S2 E144 minTV-14Full EpisodeReality and Game ShowPrimetime
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