Marco Antonio Guarderas was 25 when he was last seen at his Los Angeles home on January 4, 1985. He was described as 5 feet 7 inches, about 200 pounds, with brown hair and brown eyes.

On the day he disappeared he wore a black jacket, blue corduroy pants and gray shoes, and had a metal plate in his nose from a prior medical procedure. Few details are known about the circumstances of his disappearance and the case remains unsolved.

Anyone who knew Marco or has information about that day is asked to contact the Los Angeles Police Department.