tonight, two women, two stories, two keith morrison mysteries.st, what happened to the beauty queen? ♪ ♪ ♪ >> look at her. look at the young woman in the heart of our story. the one with the voice that soared over the mighty ozarks. ♪ ♪ >> you can see how lovely she is, the young beauty queen. can you see her vulnerability? by now your first impression is probably locked in. it's very unlikely to change and certainly that's how it was in russellville, arkansas. a town where a first impression hardened like a patch of serjts about her and also for worse, about the young man accused of killing her. >> the boyfriend who found the body. >> the boyfriend who found the body. >> first impressions die hard, including first impressions of murder and seven years later in this small southern town, we have to ask, can they ever change? of course, that question is quite obvious now to kevin jones, but seven years ago he didn't give a fig whom he impressed or didn't. all he knew was this, he was going places. he was from a good family, lived near a wonderful c

here's keith morrison. >> we know the truth, and we know everything that happened. >> how do we know what we know? >> emotionally unsatisfying not to have that answer. >> though it is even if we've seen something or if we think we have. that's the question at the heart of the whole puzzle. is this woman right? >> i know what i saw. and i know the conclusion of my story. >> of course, she does. of course, she does. why does this other woman think this? >> she didn't know for sure what she saw. >> the question, we say, on which all the rest will turn. >> why don't we begin here. calamesa, california. historic missions, sprawling suburbs, creeping out to the recommend of mountains around the eastern flank of los angeles. here is where chris and christy hall had come to live out their golden years, though they were far from old when it happened. just experienced with life and each other. >> as far as i can remember it's only been chris and christy. they were never thought of as separate. they were a unit. >> these are the three daughters. courtney the he wouldest a teacher. briana, a per