The Orange County Register reports [ocregister.com]
[...] one of California’s most prolific serial killers and rapists was caught by using online genealogical sites to find a DNA match, prosecutors said Thursday.
Investigators compared the DNA collected from a crime scene of the Golden State Killer to online genetic profiles and found a match: a relative of the man police have identified as [the suspect, who was arrested.]
[...]
Authorities didn’t give the name of the site, one of many, like Ancestry and 23andMe, that allow people to send in their DNA and find long-lost relatives.
[...] representatives of both Ancestry and 23andMe.com said the sites weren’t involved in the case.