the last roll of the dice. we had to ask _ the last roll of the dice. - had to ask ourselves, have we seen enough dna that is of this kind of quality and property to really feel confident that there is a good chance we will have a positive outcome? otherwise we don't want to do it, because when you test dna you are consuming it, and so you are consuming it, and so you are consuming it, and so you are destroying evidence. once they'd sequenced to killer's dna they run it through several genealogy websites. from there, they created a family tree of the killer. and then began to look for possible suspects. the right age, male, who lived in texas at the time of the murder. they developed a theory that the dna found out to be man called glenn mccurley, a man called glenn mccurley, a man who lived close to carla, a man who lived close to carla, a man who lived close to carla, a man who had previously been a suspect. t man who had previously been a susect. ~' ., man who had previously been a susect. ~ ., ., ., man who had previously been a susect. ~' ., . ., ., suspect. i know that he had had to drive up _ suspect. i know that he had had to drive up and _ suspect. i know that he had had to drive up and down _ suspect. i know that he had had to drive up and down the - suspect. i know that he had had to drive up and down the road i to drive up and down the road in front of this house thousands of times, probably had even stopped here, they