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Mark of a Serial Killer

S3 E504/16/21

Classified to Kill
Also available on the nbc app

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.

Available until 01/01/23
Tags: oxygen, True Crime, serial killers, Mark of a Serial Killer
S3 E544 minTV-14Full EpisodeReality and Game ShowPrimetime
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