Book excerpt: Applied Criminal Psychology provides the reader with a comprehensive and practical guide to psychological research and techniques. It is introductory and wide-ranging and covers important forensic aspects of psychology, psychiatry, and behavioral sciences. Many key forensic issues are covered, including personality disorders, risk assessment, the forensic psychologist as an expert witness, detecting deception, eyewitness memory, cognitive interviewing, forensic hypnosis, false confessions, criminal profiling, and crisis negotiation. With this new edition and starting with the first two chapters, significant focus has been placed upon Psychopathy and the closely associated DSM category of Anti-Social Personality Disorder. Another new chapter has also been included dedicated to the principles of law associated with an accused person's mental status. The book is international and interdisciplinary in its scope and focus. Many of the contributors to this book are well known scholars and/or practitioners. It will be of great interest to psychologists, psychiatrists, criminologists, legal professionals, law enforcement personnel and students who are planning careers in forensic psychology, criminology, and policing.