Frank Joseph Martinez was 51 when he was last seen on April 1, 2010, in Pomona, California. His car was later recovered abandoned at the top of San Dimas Canyon Road with the windows rolled down, but searches of the area turned up no sign of him. He is 6 feet 3 inches, about 200 pounds, has brown hair and brown eyes, wore black-rimmed glasses and is missing one of his lower teeth.

Authorities classify his case as endangered missing. The circumstances of his disappearance remain unclear and there have been no significant developments since then.

If anyone saw Frank Martinez around Pomona or San Dimas Canyon Road on or after April 1, 2010, please contact the Pomona Police Department.