1. Ventura County Medical Examiner Office, 3291 Loma Vista Road, Ventura, CA 93003, US.
2. Clinical Professor, Psychiatry and Biobehavioral Sciences, School of Medicine, University of California, Los Angeles, CA; Forensic Psychiatry Consultant, FBI National Center for the Analysis of Violent Crime, Quantico, VA; consulting forensic psychiatrist, Newport Beach, CA, US.