and they no longer believed that her husband, bridger medlin, had anything to do with her murder.they also discovered that bridger was not driving his pickup truck through town after midnight, as one of the police officers claimed. >> that particular intersection was being videotaped through an atm machine from a wachovia bank. and it actually picked up the image of my truck coming through that intersection after 4:00 a.m. >> this was after bridger was notified by police and was headed to the scene of kim's abandoned car. >> that was the first and the strongest rock-solid evidence that i was where i said i was. >> investigators were also sure that the killer wore size 8, 8 1/2, or 9 thorogood brand shoes. police personnel records showed that only three members of the monroe police department wore this make and model of shoe in that shoe size range. of the three, one was working at the fire department on the night of kim's murder. >> he was assigned to sort of a stationary duty that evening where he couldn't just get in a car and drive around. he had to sort of be there at the depa