Mark of a Serial Killer
Unusual Sexual Interest
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Unusual Sexual Interest

What are paraphilic disorders? Joni Johnston, forensic psychologist, discusses how rare something like necrophilia actually is... and how dangerous it can be.

Season 3 Episode 11 - Videos

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1:19
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Police Find Purse of Murdered Louisiana Woman
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1:36
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Investigators Begin to Notice a Pattern with Baton Rouge Killings
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2:04
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Female Body Found Near Baton Rouge
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1:04
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Half a License Plate
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On the Hunt
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Unusual Sexual Interest

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