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Crime & Criminal Behavior

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Zodiac Killer IQ: Verified Estimates, Profile Context, and Why Intelligence Matters in the Case

Public interest in the Zodiac Killer often includes questions about intelligence, and reliable sources indicate an estimated IQ range between 130 and 140. This places him in the...

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What the Happy Face Killer Did: A Verified Profile of Keith Hunter Jesperson

The Happy Face Killer is the nickname for serial killer Keith Hunter Jesperson, who admitted to killing at least eight women across the United States between 1990 and 1995. He e...

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