A recent study suggests that high psychopathic traits are linked to reduced thickness in brain regions responsible for processing emotions. This neural pattern appears consistently, regardless of a ...

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 ...

A made-in-Canada test to detect whether a criminal is a “psychopath” is outdated, unreliable, and a poor predictor of recidivism, says a University of Toronto researcher who is calling for an end to ...

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 ...

But as diverse as this rogue’s gallery might seem, science claims all these nasty personality types actually boil down to a trio of unpleasant personality traits. These are often called the dark triad ...