Sociopathic

A Sociopathic person is described as having a personality disorder manifesting itself in extreme antisocial attitudes and behavior and a lack of conscience.

Sociopathy and Psychopathy are often used interchangeably, but in some cases the term sociopathy is preferred because it is less likely than is psychopathy to be confused with psychosis, whereas in other cases the two terms may be used with different meanings that reflect the user's views on the origins and determinants of the disorder.