in 2018, the suspect for a notorious serial killer in california, the golden state killer, was arrestedrampage in the late �*70s and �*80s, the hunt for the killer had gone cold. that was until an unusual technique was used to find him, involving genetic ancestry. ancestry websites are designed for people to find their genetic relatives through dna links, but the police realised if they put the golden state killer's dna into one of these websites, they could find the killer's relatives — a crucial clue. most ancestry websites don't allow law enforcement checks, but a few do. the one the police chose to use was a company called gedmatch. the golden state killer is almost a halo case for the success of the technology. so you upload the profile, gedmatch will give back a series of matches. and it basically says it will give you a name, an e—mail address and how much dna you share with that profile. so effectively, what they're doing is building family trees. so you have to build back far enough till you reach what they call a most recent common ancestor, and then figure out where the trees

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it is exactly how the i case of the notorious golden state killer, a serial rapist and killer, was solvede, police found a distant cousin on an ancestry website. from there, they clothed in what they believed were close relatives. danielle was an aduu relatives. danielle was an adult when she was told she had adult when she was told she had a half sister that she had never met. she had been looking for herfor ever since. i'm made posters, printed flyers, i was going to keep looking, i did not care what it took, what i had to do. in march, she was called by the police and are to take a dna test, it was a match. great though was her missing sister. hundreds of cold cases had been solved using this technique but critics say the process evades peoples privacy and allows the police to access people genetic information without their genetic consent. in order for where they will need to be, they will build up the enormous family trees and they are not those trees that have been consented. why can it be the decision of a third cousin or someone i'm not related to, what is apathy controlled the po