What are the symptoms of a psychopathic personality?

AKA Antisocial: Today we use the term "antisocial" when referring to a person considered to be psychopathic. Such an indvidual has no regard for the life or well-being of others. They do not follow or conform to the usual laws or rules that govern society. From street criminals to mass-murderers to heads of large corporations to politicians to law enforcement personnel, psychopathic individuals are all around.

Antisocial: The modern clinical term for sociopathy is antisocial personality disorder. The hallmark of this disorder is the person seems to have no conscience, or sense of morality, or right or wrong. This person cannot empathize with others, is opportunistic, predatory, and often thrill seeking. An example of this would be Charles Manson.

Sociopath: Engaging in antisocial behaviors with no regards to safety of others, such as truancy, theft, criminal behaviors.