This work explains the history and application of forensic psychology. It details the various kinds of psychologist involved in the field, the sort of evidence each might produce and how it might be applied. Topics include: offender profiling; psychometric testing; expert testimony; psychological autopsy; polygraph testing; professional and ethical problems; and training needs. Intended as a reference tool and practical guide, the book is aimed at forensic psychologists, clinical psychologists, lawyers and professionals who need to understand the nature and application of psychological evidence in judicial proceedings.