That the Human Genome combined with massive Computer Power could actually tell investigators what someone looked like just from their dna. Detectives believed sierra Bouzigards Killer was an undocumented mexican worker. But there was no clear description of the suspect. Monica quaal raced to tell her fellow investigators that this new technology could provide that description. I really think that shes crazy. She was like, you just have to have faith in me. I was like, i have faith in you, but this just kind of seems like magic. And shes like, no, its gonna work. And so she convinced me and then we convinced the sheriff. Narrator parabon got the unidentified Dna Sample from Sierras Case and put it through a process they call snapshot. Snapshot is a way to take that dna and ask it questions. Okay, if we dont know exactly who this person is, do we know his ancestry . Can we say something about eye color, hair color, skin color, freckling, face shape