Donald G. Dutton is Professor of Psychology at the University of British Columbia. A Licensed Clinical Psychologist, Dutton has researched violence in forensic and domestic situations across 30 years. He has led court-mandated treatment groups for violent offenders, interviewed spousal killers, and authored four books plus more than 100 articles on the psychological mechanisms of violence perpetrators. Dutton has appeared on "Dateline NBC, Larry King Live, National Public Radio", and "Good Morning America".