Richard Walther was 40 when he was last seen in San Francisco on November 6, 2016. Clothing reported from his last sighting included a blue t-shirt, blue jeans, and white sneakers.

Very few details about the circumstances of Walther’s disappearance have been released.

If anyone has credible information about Richard Walther’s whereabouts, please contact the San Francisco Police Department or use California’s missing-person reporting resources.