A study shows the flaws in using scores from psychopathy tests for decisions in court, but it fails to address the influence ...

A psychological assessment test often used to evaluate psychopathy in Canadian criminal cases is unreliable and prone to unconscious bias on the part of expert witnesses, according to research from ...

To do that, the psychologist administers a test — the PCL-R, or Psychopathy Checklist-Revised — designed to measure whether that inmate is a psychopath. This test has incredible power in the American ...

Robert L. Roberson III was scheduled for execution in Texas on October 16. He won a stay, but the case isn't over. He was convicted of the murder of his 2-year-old daughter, Nikki Curtis. The ...

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Millions recently flocked to the cinema to watch Joker, the origin story of Batman’s notorious nemesis. Many have commented that the film is a portrait of a textbook psychopath. But perhaps the bigger ...

Twenty-six years after Robert Dixon Jr. went to prison for acting as an accessory to murder, friends and family swear that he is a new man, one... Can A Test Really Tell Who's A Psychopath? In ...