In the same way as lawenforcement databases like codis. Moore in codis, youre looking for that exact match, but in genetic genealogy, we can go way beyond that and use those hundreds of thousands of markers to predict second, third, fourth cousins and beyond. Narrator however, there are serious concerns about Law Enforcement having access to the dna of people who have never committed a crime. That problem can be resolved if people are told their dna is going to databases used by police, which is exactly what a company called gedmatch did. Gedmatch posted a notification on their site alerting their users that Law Enforcement was using the database, and that was what i needed to allow me to finally make the decision to help Law Enforcement. Narrator in 2018, investigators took the Dna Profile from jay and tanyas case