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You Can’t Opt Out Of Sharing Your Data, Even If You Didn’t Opt In

The Golden State Killer, who terrorized Californians from Sacramento to Orange County over the course of a decade, committed his last known murder in 1986, the same year that DNA profiling was used in a criminal investigation for the first time. In that early case, officers convinced thousands of men to voluntarily turn over blood samples, building a genetic dragnet to search for a killer in their midst. The murderer was eventually identified by his attempts to avoid giving up his DNA. In contrast, suspected Golden State Killer Joseph James DeAngelo, who was apprehended just last week, was found through other people’s DNA — samples taken from the crime scenes were matched to the profiles his distant relatives had uploaded to a publicly accessible genealogy website.