When it comes to measuring psychopathy, perhaps the favorite instrument used by forensic psychologists and psychiatrists is the Hare Psychopathy Checklist-Revised (PCL-R), developed by Canadian ...

In November 2009, Robert Dixon took a test to determine whether he was a psychopath. After 26 years in prison, he was due for a parole hearing. In California, before a "lifer" like Dixon appears ...

After its publication in 1991, the Psychopathy Checklist-Revised (PCL-R) became established as the “gold standard” for determining the extent to which an individual possesses psychopathic ...

Millions recently flocked to the movies 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 ...

Does an academic's use of legal threats to stop a critical paper from being published subvert the peer review process, which is fundamental to modern scientific research? A leading psychopathy ...