Dr. Weaver received his Ph.D. in Clinical Psychology from the University of Louisville, and has held research and clinical positions (pre- and postdoctoral) at the University of California, San Francisco and Stanford University. He has published in the areas of psychopathy and violence risk assessment, and more recently in the areas of substance abuse and psychological trauma. His publications also include co-authored books in law & mental health and psychopathology. Dr. Weaver’s current research focuses on the role that trauma and substance use play in criminal offending, the assessment of dissimulation in PTSD assessment. He is also conducting a funded training and research program designed to increase police officer effectiveness in working with people with mental illness.