Appointed to the faculty in 2003, Professor Johnson has been actively involved in the forensic sciences for over two decades. His career began with service to two coroner’s offices, including the Los Angeles County Department of Coroner. He then advanced to senior criminalist at the Los Angeles County Sheriff’s Department, where he specialized in the forensic investigation of violent crimes. Professor Johnson received his graduate degrees at the UCLA School of Medicine, and has published on his research in neurobiology and criminalistics in such scientific journals as “Nature,” “Proceedings of the National Academy of Science” and “The Journal of Forensic Sciences.”