It seems obvious that anyone who willfully and repeatedly commits murder is a psychopath: remorseless, egotistical, manipulative, and cruel. Think of Ted Bundy, Dennis Rader, or John Wayne Gacy.

Add Yahoo as a preferred source to see more of our stories on Google. Ever wonder what goes on inside the mind of a psychopath? We all have our dark moments, those fleeting thoughts we'd never admit ...

Add Yahoo as a preferred source to see more of our stories on Google. When dealing with a psychopath, it can be unnerving to realize just how calculated they can be in choosing their targets. While it ...

Psychopaths have different brain structures to the rest of the population, a study has revealed, helping shed new light on one corner of the "dark personality" triad. Diagnosis with psychopathy is ...

A new study has found that psychopaths show structural changes in particular areas of the brain that deal with things like impulse control and emotional regulation. This improved understanding may ...

People living in societies with more corruption, inequality, poverty and violence are more likely to exhibit "dark" personality traits—like narcissism, psychopathy and spitefulness. This is the ...

Psychologist Robert Hare’s Psychopathy Checklist is the most widely used diagnostic tool to identify psychopathy — not only in prisons and institutions. If you give the test to CEOs or other corporate ...

You won’t be able to identify a psychopath right away when you see one. The world might have multiple theories about what they are like and how they think, but my research and experience say that they ...

When dealing with a psychopath, it can be unnerving to realize just how calculated they can be in choosing their targets. While it’s not about living in fear, understanding the traits psychopaths ...