A recent article that attacks the use of the Psychopathy Checklist-Revised in the case of Robert Roberson offers a poor ...

If someone asked you to imagine a psychopath, who would you picture? Many of us might conjure an image of a violent criminal who will do anything without remorse to get what they want. After all, ...

The case against Robert Roberson, whose execution is scheduled for Oct. 16, is the latest to raise questions about a controversial diagnosis.

After its publication in 1991, the Psychopathy Checklist-Revised (PCL-R) became established as the “gold standard” for determining the extent to which an individual possesses psychopathic ...

Psychopaths and sociopaths are two subtypes of the diagnosable condition called antisocial personality disorder. Here's how to tell them apart.

Madoff aide's lawyer says working for a psychopath blurs sense of right, wrong. Feb. 10, 2014 -- Bernard Madoff: psychopath? That's one of the questions expected to be asked this week in a Manhattan ...