>> when the body tumbles, we don't know how it tumbles. injuries can occur in micro seconds and not leave blood on the rocks. >> reporter: what's more, not one person could place kenneth dion with bonnie or at the creek that day. >> there's no witnesses to say that they saw ken and bonnie together that day. >> reporter: yeah. >> there were no witnesses placing him near her, along her route. >> reporter: the case went to the jury in mid-june. it was not for long. karen and the family were on their way to do a tv interview and -- >> as i'm pulling up to the interview, i sigh the cameraman and the reporter taking off. and they circle around. they said, the jury's back! >> reporter: the jury deliberated so fast, just several hours, they thought it had to be guilty. >> it was incredibly exciting because we knew that it was going to happen. we just were dying to hear the words. >> reporter: and when you did. >> we the jury find the defendant, kenneth dion, guilty