Gregory Thomas Arnold, 30, was last seen in Pacifica, California, on August 10, 1996 and was reported missing by his mother on September 18, 1996. He had recently been released from the Sonoma County Jail and returned home, then left again around August 12 saying he planned to self-surrender to the San Mateo County Sheriff’s Office on September 14. Gregory never turned himself in and his whereabouts are unknown.

He is 5 feet 6 inches, about 160 pounds, with brown hair, brown eyes and a mustache.

If anyone knew Gregory, saw him in Pacifica in August 1996, or has information about his planned surrender, please contact the authorities.