Andrew Paul Mantheiy was 17 when he was last seen on May 19, 1977, in Redding, California. Witnesses observed him walking northbound along Interstate 5. Originally from Texas, Andrew had moved to California; his mother died in 1976. He is described as a Caucasian male with brown hair and blue eyes, about 5 feet 9 inches to 5 feet 10 inches tall and roughly 125 pounds at the time.

The Shasta County Sheriff’s Department classifies his case as endangered missing. DNA is available for identification, but despite investigations no significant leads have emerged and the circumstances of his disappearance remain unclear. If anyone has information about Andrew’s movements around May 19, 1977, please contact the Shasta County Sheriff’s Department.