Psychopathy is a popular construct at present, especially in forensic psychiatry and forensic psychology, yet it is a controversial construct. A number of problems and issues concerning psychopathy are examined in this volume by a number of practising forensic clinicians and researchers with years of experience working with so-called psychopaths in a variety of forensic settings. This book tackles issues that range from historical concerns, such as the origins of the construct, to more pragmatic ones, such as the efficacy of psychopathy treatments. This book presents weighty critiques that should be of interest to researchers, practitioners, and students of psychology, psychiatry, social work, and any profession concerned with psychopathy, antisocial personality disorder, sociopathy, or any related constructs. It is intended to stimulate thought and to provide solutions to the problems that plague psychopathy and any professional who would employ it.