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    ‘NorCal Rapist’ suspect in custody after genetic genealogy investigation

    A man authorities believe is the "NorCal Rapist" is behind bars after investigators used a new crime-fighting tool called genetic genealogy. The technology uses crime scene DNA and compares it against a public genealogy database. Roy Charles Waller, 58, is accused of forcible sexual assault of at least 10 women between 1991 and 2006.