Impulsivity. Deceit. Lack of empathy. Lack of remorse. Manipulation. Repeated law breaking. These are the textbook traits of a sociopath. And we all know how sociopaths end up, right? You refer to ...

One of the suspects in the killing of a Mont Vernon, N.H., woman described himself in police affidavits as a "sociopath," but a local expert says an actual diagnosis is complicated.Christopher Gribble ...

People use the term “sociopath” to describe a person who lacks empathy and does not experience remorse. The term “narcissist” describes a person with an inflated sense of self. Some people with ...