The hallmark of narcissistic personality disorder is grandiosity. The narcissist harbors a strong sense of entitlement, self-aggrandizing fantasies, and a craving for admiration. In severe cases, she ...

Hannibal Lecter. Anton Chigurh. Patrick Bateman—when we hear the word “psychopath,” fictional serial killers may spring to mind. Or maybe it’s their real-life counterparts: John Wayne Gacy, Jeffrey ...

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 ...

People who engage in psychopathic behaviors have often left their victims wondering what made them this way. The typical traits of psychopaths, such as high levels of narcissism, manipulative charm, ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Psychopathy has long been associated with murderers, notorious criminals, and the gripping true crime stories that dominate Netflix documentaries. But our recent research is showing they have a ...