A psychological assessment test often used to evaluate psychopathy in Canadian criminal cases is unreliable and prone to unconscious bias on the part of expert witnesses, according to research from ...

We should probably consider a complete moratorium on these types of assessments,” says U of T researcher Rasmus Rosenberg Larsen.

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 ...

A study finds flaws in the use of scores from psychopathy tests in court, but fails to address the influence on juries of cultural portrayals of psychopathy.

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 ...