John Matthew Fabian, PSY.D., J.D., ABPP, is a board-certified forensic and clinical psychologist and fellowship-trained neuropsychologist. With more than 900 murder case evaluations and expert testimony in over 500 state and federal cases, his work bridges neuroscience, psychology and psychiatry, and the law. Dr. Fabian serves on the faculty of leading medical and forensic psychiatry training programs and is widely published in forensic neuroscience, neurocriminology, and the law.