Mark Larson has served as a King County Deputy Prosecutor since 1985. As a trial lawyer, Mr. Larson's practice has focused on child abuse, sexual assault and other violent crimes. He was appointed Chief Deputy of the Criminal Division in 1993. Mark serves on the Washington Supreme Court Committee on Jury Instructions and is co-chair of the King County Bar Associations' Judicial Evaluation Committee. He has a long-standing interest in eyewitness identification and helped author the National Institute of Justice's Eyewitness Evidence: a Guide for Law Enforcement.