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Videos: Trailers, Teasers, Featurettes
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.
Mark of a Killer - watch online: stream, buy or rent
Currently you are able to watch "Mark of a Killer" streaming on hayu, Ziggo TV.