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David Dematteo

David Dematteo

The Conversation

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I’m a Philly forensic psychologist who has conducted dozens of psychopathic evaluations – here’s why an evaluation of R.C. Horsch in the ‘80s didn’t identify him as a possible psychopath

Philadelphia police and FBI are conducting a massive investigation into the home where the late R.C. Horsch and his son lived, along with several...

20.10.2026 10

The Conversation

David Dematteo