"I don't look at him as an evil guy but as a guy who had to do something for which he volunteered to do," said retired U.S. Army Col. French MacLean, the author of "American Hangman." ''I don't think he was a sick serial murderer but you could have fooled the Germans. He behaved like a bum. ... When Woods was hanging people, he was the main primary actor. It was his show."