To do that, the psychologist administers a test — the PCL-R, or Psychopathy Checklist-Revised — designed to measure whether that inmate is a psychopath. This test has incredible power in the American ...

Robert L. Roberson III was scheduled for execution in Texas on October 16. He won a stay, but the case isn't over. He was convicted of the murder of his 2-year-old daughter, Nikki Curtis. The ...

Slowly we are learning to think of mental illnesses as illnesses, like kidney disease or liver failure, and personality disorders, such as autism, in a similar way. Psychopathy challenges this view ...

The man responsible for the first-degree murder of Hannah Leflar may not meet the benchmark for being labeled as a “psychopath,” court heard Wednesday. On the stand, the defence’s expert witness, Dr.