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 ...

Popular culture exploits a loose notion of psychopaths as remorseless thugs with intent to harm the rest of us. It’s difficult to get past this, but most so-called psychopaths have never been formally ...

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 ...