Three scientists examine three dimensions of psychopathy: neurological, social, and criminal.

Psychopathy and sadism play a prominent role among those who choose to take it up. 

The psychopath gene can be expressed in one of two ways. Here's what stopped James Fallon's psychopathy from becoming destructive.

They have the same feelings as normal people. It’s how they make decisions that’s different. 

 

A new study makes a surprising finding on the intelligence of psychopaths, often portrayed as evil geniuses in popular culture.