Gabriel Perenda Duenas, 48, was last seen at his workplace in San Francisco on April 8, 1987. He is 5 feet 6 inches and about 130 pounds, with brown hair and brown eyes. At the time he vanished he was wearing a white shirt, blue jeans, and a pink vest and was also known to use the alias Rick Gabe. Few details about the circumstances of his disappearance have emerged, and the case remains unsolved and listed in missing persons databases. The San Francisco Police Department asks anyone with information to come forward.

If anyone knew Gabriel, worked with him, or remembers seeing him that day, please share what you know.