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 ...

What do serial murderers, hardened criminals, and punitive dictators have in common with ruthless business executives who profit from the misfortunes of failed investments or downsizing? In his latest ...

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 ...