Richard Lettieri, PhD, is a forensic neuropsychologist and psychoanalyst with 25 years of experience. Whether privately retained or appointed by the court, he is frequently called upon to assess individuals for a number of reasons, including competency to stand trial and insanity, and to evaluate individuals accused of sex crimes and violent offenses. Dr. Lettieri received his PhD from the University of Southern California and is a member of the Expert Witness Panels of Orange County.