Comparing decades-old crime scene DNA to profiles on genealogy websites led investigators to a relative of the suspected Golden State Killer — and from them, to the suspect himself, the Sacramento Bee reported today.

Also known as the Original Night Stalker and the East Area Rapist, the Golden State Killer is suspected of committing 51 rapes and 12 murders in California between 1974 and 1986. On Tuesday, officers arrested 72-year old Joseph James DeAngelo in Citrus Heights, California in connection with the crimes. The team found him by comparing DNA collected at a crime scene to genetic profiles on genealogy websites, Chief Deputy District Attorney Steve Grippi told The Sacramento Bee.

While the investigators didn’t find a perfect…

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