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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1885, an English psychiatrist published the case of a man called W.B., who had spent much of his life cycling through jail and ...

Psychologist Robert Hare’s Psychopathy Checklist is the most widely used diagnostic tool to identify psychopathy — not only in prisons and institutions. If you give the test to CEOs or other corporate ...

Robert Roberson faces execution in Texas on Oct. 16 for the 2002 murder of his young daughter Nikki Curtis. For years, a growing pool of supporters — from the lead detective in his case to Dr. Phil — ...

One of the most enduring ideas about crime — and violence more broadly — is that a lot of it is committed by people we call “psychopaths.” If you didn’t grow up with procedurals like “Law & Order: SVU ...

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, ...