Ann Walbert Burgess, M.D., a forensic psychiatrist and FBI official, spent two decades searching, interviewing, and tracking dozens of notoriously violent criminals. The book immerses us in the investigations conducted by the author. Her vivid memories provide insight into the minds of dangerous criminals and their victims. Studying the behavior and psychology of serial killers, rapists, kidnappers and their victims was a turning point in law enforcement. The heartbreaking stories behind the facts, figures and procedures have served as the basis not only for solving specific crimes, but also for systemic criminal profiling.