nothing further. >> reporter: kenneth dion, as if on cue, denied it all. ut also the chance at parole when he's about 80. for now, dion's appealing the is it possible he actually didn't remember doing it? >> i struggle with that. is it possible that his protestations are sincere in that he had an episode in his life that he's either blocked out or for some reason can't recall based on what was happening in his life at that time. >> reporter: cocaine puts holes in your brain, they say. >> it does. >> reporter: amazing, this is a man who got away with murder for a long time and would have completely, scot free if it hadn't been somebody put the dna into codis. >> that's really remarkable. >> reporter: which is, it turns out, the subject of karen's new campaign. she is now on the side of the alaska state troopers and other law enforcement agencies trying to persuade every state to enter dna into codis, the national databank, upon arrest. after her push for a change in alaska, the state now enters the suspect's dna once arrested for a felony just as it records