Psychopathy

True psychopaths are rare, but research suggests they're unusually likely to be found in the manager's office. Mental health experts outline the warning signs and how to cope.

Take the online quiz developed by scientists that measures narcissism, Machiavellianism, and psychopathy.

One woman studied had gone on as many as 55 of these dates.

The New York congresswoman was responding to a tweet about why psychopathic CEOs might be a good thing.

Individuals in some areas of the country display more psychopathic personality traits than their neighbors.

Female psychopaths can be just as cunning and calculated as their male counterparts.

One NYU psychologist is working to ensure that people can detect whether the person they're trying to hire or match with online is a psychopath.

Misbehaved boys who lack guilt are less likely to laugh with their friends.

These dangerous personalities appear to favor certain songs over others, although the reason why is not yet clear.

Scientists suggest psychopaths have "superior" functioning when it comes to processing lies in the brain.

A new study of 800 men between ages of 18 and 40 suggests a heightened chance of antisocial behaviors among social media hounds.