CHATTANOOGA, Tenn. (AP) — The U.S. Marshals Service is searching for a man who was mistakenly released from a Tennessee jail in Hamilton County.

According to a release from the Marshals, Brenen Andrew Murphy was being detained on federal drug charges at the Silverdale Correctional Facility in Hamilton County. He was released in error early Sunday morning.

The Marshals did not say how Murphy came to be released from the facility, operated by Corrections Corporation of America, a private prison firm.

Murphy is white, with brown hair and eyes and a beard. He is 5 feet,10 inches tall and weighs 190 pounds. He has several tattoos, including “Born Free 80’s Baby” on his neck, “423” on his right hand and “517” on his left hand.