“Sociopaths are liars who manipulate toward a desired outcome, but they tend not be as callous as psychopaths. Psychopathy can be genetic, the structure of the brain, and it can include chemical and physical components – a lesion on a particular part of the brain, not unlike the sociopath – but it’s marked by more-aggressive, remorseless traits: where a sociopath might manipulate, the psychopath attacks.”