think not. >>> meredith emerson went missing new year's day 2008, less than a month later, gary michael hilton courtroom and pleaded guilty to her murder. meredith's parents were there. her mother susan addressed hilt hilton. >> i believe he's nothing more than a bully and a weak-minded coward who preys on others. he fancies himself a survivalist. anyone can see he's a scared little man on the run. >> the state honored the deal made and was sentenced to life in prison. hilton admitted nothing beyond the emerson murder. >> is this the first time you've ever done anything like this? >> i'll let my attorney answer. >> by now, investigators from half a dozen southeastern states as well as fbi profilers were rummaging through hilton's past. by the time he was captured, he wasn't much more than a vagrant in a van, but his past was more complex. as an army veteran, hilton had earned an associate's college degree, got ann private pilot license on the gi bill and been married three times before the wheels apparently came off. "true crime" author fred rosen has written more than 25 books including "trai