SANTA ANA, Calif.—An Orange County Superior Court judge faces an inquiry from a judicial watchdog agency stemming from his handling of a murder case when he was a prosecutor, officials announced Jan. 13. Mike Murray faces an inquiry before the Commission on Judicial Performance regarding the prosecution of Cole Wilkins, who was convicted of first-degree murder in the fatal collision of off-duty Los Angeles County Sheriff’s Deputy David Piquette. That conviction was overturned by the state Supreme Court. Wilkins was later convicted of second-degree murder, but that conviction was reduced on appeal to involuntary manslaughter. Wilkins has a civil suit pending in federal court. Murray and Orange County Superior Court Judge Larry Yellin, who was also previously a prosecutor who handled the case, were dismissed as defendants in that lawsuit based on arguments of immunity they have under state law. Wilkins stole several appliances from an under-construction Menifee home on …