Whether called black sheep, sociopaths, con men, or misfits, some men break all the rules. They shirk everyday responsibilities, abuse drugs and alcohol, take up criminal careers, and lash out at family members. In the worst cases, they commit rape, murder, and other acts of extreme violence. What makes these men behave as if they had no conscience?

Bad Boys, Bad Men examines antisocial personality disorder or ASP, the mysterious mental condition that underlies this lifelong penchant for bad behavior. Psychiatrist and researcher Donald W. Black, MD, draws on case studies,...