Steven Ernest Wilson, 65, was last seen on September 12, 2013, in Redwood Valley, California, after leaving on his black 2002 Harley Davidson motorcycle, license plate 16C5306. Known as Tweet, he was reported missing when he failed to return from that ride. He was wearing blue jeans, a t-shirt, and a Hells Angels Sonoma County Chapter vest at the time he vanished.

Wilson is 5 feet 10 inches and about 170 pounds, with brown hair, brown eyes and a distinctive handlebar mustache. He has numerous tattoos on his abdomen, arms, back, chest and buttocks. The Mendocino County Sheriff’s Office led search efforts but no substantial leads have been reported and the case remains unsolved and classified as a missing person.

If anyone saw Wilson, his motorcycle, or has information about his ride on September 12, 2013, contact the Mendocino County Sheriff’s Department.