(ABC News)- Kevin, as one British film critic writes, seems 'alarmingly familiar' to some parents -- the teen who bullies other children and shows cruelty to animals, never showing a shred of empathy.

We all know kids can be a bit wild at times, but would you ever think that a child could be classified as a psychopath? The New York Times Magazine recently discussed this issue in an article titled ...

Lillyth Quillan knew almost immediately that something was wrong with her baby. At around eight months old with eight sharp new teeth, he began deliberately biting her breast as she fed him, then ...

The age-old debate of nature versus nurture when it comes to psychopathy has gained renewed relevance following the shocking killing of more than 20 pets by a 9-year-old last month. The incident, ...

When we hear the word "psychopath," we think of the criminals behind the worst atrocities that have gone beyond the simple news item. We're less likely to imagine a child playing hopscotch and barely ...

Psychopaths may be capable of empathizing with others in some situations, a new study has found. The study's researchers investigated the brain activity of psychopathic criminals in the Netherlands.

In 1885, an English psychiatrist published the case of a man called W.B., who had spent much of his life cycling through jail and asylums. W.B. was “a quiet and useful man,” the doctor wrote in The ...