He has a scar on his leg. He may wear a beard, goatee, or mustache.
Bierman was last seen in Felton, California on February 22, 1999. His truck was later discovered abandoned on San Lorenzo Way in Felton near the San Lorenzo River with the keys in the ignition. There was no sign of him at the scene.
Santa Cruz County Sheriff's Office: 1-831-471-1121