(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.

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 ...

Her awareness of inequality from a young age developed into a deep desire to be respected. In hopes of spreading educational information and reducing the stigma surrounding individuals with antisocial ...

MERCEDES SCHLAPP (GUEST): And it's not just Minnesota where the indoctrination of little kids is occurring. Here's YouTube star Ms. Rachel and Israeli-hating Hamas apologists joining New York City's ...

May 29, 2009 — Unlike other murderers, parents who kill their own children are not typically psychopathic, socially isolated substance abusers with a long criminal record but may have distinct ...

A new study has found that psychopaths show structural changes in particular areas of the brain that deal with things like impulse control and emotional regulation. This improved understanding may ...

When you think of a psychopath, you might picture someone lurking in the shadows, plotting their next big move. In reality, many psychopaths blend seamlessly into everyday life, often causing damage ...

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 ...