On Nov. 9, Mule Creek State Prison officials were notified that Correctional Sgt. David Martin had died of a terminal illness.

Martin began his career with the CDCR at the Correctional Training Facility (CTF) in September 1996. In September 2002, he transferred to Mule Creek State Prison.

He was promoted to the rank of sergeant at MCSP in July 2007, where he remained until his death.