future. to us on the side detectives, is way above our heads. to be honest with you. >> so, you welcomed their help. >> we did. >> and across the country, someone else had taken notice of the amateur investigators working with dna doe. >> i liked to help ordinary people and see how genealogy are dealing with the. any >> -- is a staff writer for the atlantic magazine. >> i like the fact that kevin was so invested in this case. >> passion like that was a story worth following. and she did. watching their process. her one thing, using the victim's skin, here are billeted to narrate the dna profile. which they have little to a genealogy site called jen match. >> we get a whole list of dna matches that in all of these people share some amount of dna with our unknown person. >> it's important to understand