The scene. but investigators had plenty of other people to talk to, starting with a high school full of potential suspects. >> so, the day that she was killed, we went back and pulled all the video and try to track meghan all the way through the school, just to see if there's any type of confrontation, if there was a gap. >> the videos did not point to anyone suspicious. still, they interviewed student after student, looking for someone who had a problem of meghan, but no luck. >> everyone talk nice about meghan, but when you have no leads, you want to find one person, or several people, who a...