William J. Dennis, 62, was last seen in San Luis Obispo, California on May 28, 1999, and has not been heard from since. He is described as a white male with gray hair and blue eyes, 6 feet 1 inch tall and about 220 pounds. At the time he was reportedly wearing a blue sweatshirt, blue jeans and sneakers.

Few details are available about the circumstances of his disappearance. The San Luis Obispo County Sheriff’s Department is the investigating agency and the case is listed as a missing person case by several organizations, including the California Attorney General’s Office. His whereabouts remain unknown.

If anyone knew William, saw him in late May 1999, or has information that could help locate him, please contact the San Luis Obispo County Sheriff’s Department.