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Mark of a Serial Killer

Phoenix Police Realize Serial Shooter Is on the Loose

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A police officer from Tolleson, a tiny town near Phoenix, contacted the city���s police department to reveal a similar shooting had occurred in his area. Could it be the same person?

Tags: Mark of a Serial Killer, True Crime, oxygen, serial killers
S3 E102 minTV-14HighlightReality and Game ShowPrimetime
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