‘John Doe DNA’ From 1992 Matched to California Rape Suspect

‘John Doe DNA’ From 1992 Matched to California Rape Suspect
DNA double helix. Digitalgenetics/istock
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SACRAMENTO, California—California prosecutors said Monday that they used an unusual tactic to identify a suspect for three rapes committed more than 25 years ago, keeping the case alive long after the normal legal deadline would have expired.

Investigators tucked away rape kit samples from the attacks between 1992 and 1994 in the Sacramento and Davis areas in hopes that the budding science would one day lead to a match.