Saith Na, 26, was discovered missing from the facility during a body count. The jail was locked down and a perimeter was set up and searched.
A search was ongoing inside and around the facility.
Na is a male Asian of Cambodian descent, standing 5 feet 8 inches tall and weighing 160 pounds, with black hair and brown eyes. The Orange County Sheriff's Department said Na has distinctive tattoos including "Sar Rors" on the front lower neck, "Shorty" on the front upper chest, "Dragons" on the left upper arm and "Koi Fish" on the left lower arm. He was originally booked into Orange County Jail on Aug. 26, 2012, by the Santa Ana Police Department for robbery, narcotics, weapons possession and criminal street terrorism.
Anyone with information on Na's whereabouts is asked to call the Orange County Sheriff's Department at (714) 647-7000. Anonymous tips can also be submitted to Orange County Crime Stoppers at (800) TIP-OCCS.