As an expert on personality disorders, people often ask me about psychopathy. It seems everybody has had an ex, a boss, a neighbour or a relative who they suspect has traits of it. People are curious ...

Psychopaths might account for only about 1% of the general population, but they account for a disproportionate share of violent crime. Distinct from other conditions like sociopathy and antisocial ...

Some psychologists argue that certain people with psychopathic traits such as meanness can excel in business and other areas where boldness is an asset. akindo via Getty Images Think of a psychopath, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. "Only about one in about 170 people in the community, 0.6 percent, ...