On November 25, 1991, Mark Himebaugh vanished from his neighborhood. A massive search ensued but only one of his shoes was ever found. This heart wrenching case involves many scary suspects and a lot of unanswered questions. Special thanks to: Joe Nick, a canine officer who helped search for Mark. wamc.org/post/child-serial-ki…d-cold-case#stream/0 www.nbcphiladelphia.com/news/local/Co…20683412.html www.youtube.com/watch?v=00IW3kwni1k www.nbcphiladelphia.com/news/local/In…06181721.html www.youtube.com/watch?v=2MAzOJFFKjA