Personality Disorder and Crime: Are Psychopaths Criminally Responsible?

Antisocial personality disorder is closely linked to adult criminal behavior.  While antisocial personality disorder, sociopathy, and psychopathy are largely similar, important diagnostic distinctions differentiate them.  Psychopaths specifically suffer from a life-pervasive, treatment-resistant personality disorder.  If they are victims of abnormal psychology, should psychopaths be held legally responsible for their crimes?