SACRAMENTO — Investigators broke open the long-stagnant case of the prolific serial killer and rapist known as the Golden State Killer by mining DNA profiles collected by genealogical websites used by individuals to trace family heritage, the Sacramento County district attorney’s office said Thursday.
Law enforcement had long had a DNA profile of the suspected killer, which helped them connect murders and rapes across the state to the same unidentified man. But, the DNA profile did not match any contained in criminal databases that are used by law enforcement throughout the U.S. to link crimes to suspects.
The explosion in recent years of DNA heritage websites such as 23andMe and Ancestry.
Source: Bay Area News Detectives in Golden State Killer case used genealogical website, sources say