If the next person you meet says or does any of these things, they just might be a psychopath. If, as Jim Rohn says, we are the average of the five people we spend the most time with, you definitely ...

You might already think your boss is a lunatic – but a scientist has now revealed how to truly tell if they're a psychopath. Professor Elena Fernández–del–Río, from the University of Zaragoza in Spain ...

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 ...