Psychopaths versus sociopaths: what is the difference?

Psychopath and sociopath are popular psychology terms to describe violent monsters born of our worst nightmares. Think Hannibal Lecter in Silence of the Lambs (1991), Norman Bates in Psycho (1960) and Annie Wilkes in Misery (1990). In making these characters famous, popular culture has also burned the words used to describe them into our collective [...]