Very seldom is it just a random act of violence. In this particular case, that is exactly what this was. Narrator as the years pass since sierras murder, detectives in calcasieu parish, louisiana, refused to let the case go. Mcgee it was so frustrating. I lived and breathed this case. I just felt so drawn to it. So we were open to everything that everybody had to say every tip, every idea. Narrator and that search for something new turned up a possibility when Dna AnalystMonica QuaalSaw AWeb Seminar from a cuttingedge Forensics Company called parabon nanolabs. Quaal we were contacted by a Neighboring Agency saying that they had some interesting science that a new agency was doing, and they were interested in sharing with us. Narrator parabon claimed that they could take Dna Evidence to a completely new level. They said it was possible to put a face on unidentified dna,