@investigationdiscovery: He may have walked in wondering what detectives knew. One expert says that changed when they raised DNA evidence and asked about specific numbers of victims, and he began shutting the conversation down. People with psychopathy like to control an interview, she explains, and he quickly realized he couldn't. Watch "Signs Of A Psychopath" Tuesdays on ID and stream on @HBOMax. #SignsOfAPsychopath

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Tuesday 20 October 2026 14:00:10 GMT