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Police tracked down "Golden State Killer" suspect by matching DNA from public database

Law enforcement matched the DNA of the suspected "Golden State Killer" with genetic information stored in a publicly-shared database called GEDMatch. Joseph James DeAngelo, 72, made his first court appearance on Friday. He's accused of committing several murders and rapes during the 1970s and 1980s. Privacy lawyer Joel Winston joins CBSN to explain how the police located the suspect.
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