Richard Frank Plechner, 31, was last seen on July 25, 1975, in Huntington Beach, California. He is described as 6 feet 1 inch tall, about 240 pounds, with brown hair and hazel eyes.

Very few details are available about the circumstances of his disappearance. His case is listed as endangered missing and remains open with the Huntington Beach Police Department as the lead agency. There have been no significant public developments or confirmed leads reported over the decades since he was last seen.

Anyone who knew Richard’s movements in July 1975 or has information that could help locate him is asked to contact the Huntington Beach Police Department.