D.Richard Laws, Ph.D., was the director of the Sexual Behavior Laboratory at Atascadero State Hospital in California from 1970-1985; project director at the Florida Mental Health Institute from 1985-1989; manager of forensic psychology at Alberta Hospital, Edmonton, Alberta from 1989-1994; and most recently a psychologist with Adult Forensic Psychiatric Services in Victoria, British Columbia from 1994 until his retirement in 1999. Dr. Laws is known in the field of sexual deviation as a developer of assessment procedures and in program development and evaluation. He is the author of numerous articles and book chapters in this area and serves on the editorial board of several journals. He is past president of the Association for the Treatment of Sexual Abusers. He is adjunct faculty at the University of Victoria and Simon Fraser University in British Columbia and is Honorary Professor at the University of Birmingham (UK) and Cardiff University (UK). William O’Donohue, Ph.D. is a licensed psychologist and chairman and professor of psychology at the University of Nevada, Reno, and an adjunct professor in the department of philosophy and a faculty member of the National Judicial College. He has published over 70 books and 150 journal articles and book chapters. He holds advanced degrees both in philosophy and psychology. For the past 14 years, he has been director of a free clinic that treats children who have been sexually abused and adults who have been sexually assaulted.