What comes to mind when you hear “psychopath?” The term is often used to describe anyone from serial killers to problematic exes. In reality, psychopaths make up only 1 of the general population, about the same percentage as redheads.br br Psychopathy is not an official diagnosis but refers to a combination of behavioral traits including antisocial behavior, “callousness,” and low levels of empathy and interpersonal emotions. People whose behavior mostly falls under antisocial tendencies are instead diagnosed with sociopathy — officially antisocial personality disorder. So here are a few signs to look out for.