it actually picked up the image of my truck coming through that intersection after 4:00 a.m. >> and this was after bridger was notified by police and was headed to the scene of kim's abandoned car. >> that was the first and 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 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 the car and drive around. he had to sort of be there at the department. >> the second officer was on duty, responding to a burglary