Psychopathy is a very important concept for those working in the field of criminal justice - investigators, prosecutors, and those who have to evaluate, manage and treat offenders. In Psychopathy: Theory, Research and Implications for Society, detailed, empirically based contributions by the world's leading researchers describe the relevance of the construct to practical and policy issues, examining its relevance to such topics as treatment, risk management and recidivism. The use of the concept in a range of populations is discussed, including juveniles, children, and the mentally disordered, as well as across cultures. The major strength of the volume is that the validity of the psychopathy construct