Daniel Gerard Hoffer, 19, was last seen at his Los Angeles residence on May 28, 1975. He was 5 feet 9 inches, about 160 pounds, with brown hair and blue eyes. Reports say he was wearing only blue boxer shorts the day he disappeared.

Authorities found signs of violence at the home and have treated the disappearance as involving foul play, but the nature of the struggle and any suspects have not been disclosed. Investigators collected DNA and fingerprint records and the case remains open, unresolved and haunting to family and the community.

Anyone who had contact with Daniel around May 28, 1975, or who has information that could help identify remains is asked to contact the Los Angeles County Sheriff’s Department.