The verdict? Sherlock Holmes, as written by Doyle, is probably what he calls a "primary psychopath," not a sociopath, he said. The term "psychopath" doesn't appear in the latest version of the ...

4. At what age does a psychopath develop? “The psychopathic traits of primary and secondary psychopathy usually manifest ...

“Anton Chigurh is a well-designed prototypical idiopathic/primary psychopath,” wrote Samuel J. Leistedt and Paul Linkowski of the Université Libre de Bruxelles in Belgium. “We lack ...