John Douglas has become the leading expert on criminal-personality profiling and the pioneer of modern criminal investigative analysis during his remarkable twenty-five-year career with the FBI. A veteran of the Air Force, he is the author of numerous articles and presentations on crimonology and the coauthor of the landmark books Sexual Homicide: Patterns and Motives and Crime Classification Manual. Mark Olshaker is a novelist and filmmaker who wrote and produced the Emmy-nominated PBS Nova program Mind of a Serial Killer. His acclaimed novels of suspense include Einstein's Brain, Unnatural Causes, Blood Race, and The Edge. He has written and produced numerous documentary films around the United States and the world and won an Emmy in 1994 as the writer of "Roman City." He is married to Carolyn Olshaker, an attorney, and lives in the Washington, D.C., area.Douglas, John E. is the author of 'Anatomy of Motive The Fbi's Legendary Mindhunter Explores the Key to Understanding and Catching Violent Criminals', published 2000 under ISBN 9780671023935 and ISBN 0671023934.