Marco Antonio Moore-Chavez was 27 when he was last seen in Chula Vista, California, on June 5, 1984. At the time his family believed he had been kidnapped, but no ransom demands were ever made and no contact followed.

Marco is described as a Hispanic male, 5 feet 8 inches, about 170 pounds, with black hair and brown eyes. Despite investigations there have been no significant developments and his whereabouts remain unknown; the case is still classified as a missing person and remains open with local law enforcement.