Gedmatch, the DNA analysis site that police used to catch the so-called Golden Gate Killer, was pulled briefly offline on Sunday while its parent company investigated how its users’ DNA profile data became available to law enforcement searches. The site, which lets users upload their DNA profile to trace their family tree and ancestors, rose to overnight fame in 2018 after law enforcement used the site to match the DNA from a serial murder suspect against the site’s million-plus DNA profiles in the site’s database without telling the company.

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