One Twin Committed the Crime — but Which One? A New DNA Test Can Finger the Culprit

A handful of criminal prosecutions have stalled because DNA tests cannot distinguish between suspects who are twins. Then scientists decided to create one.

carlzimmer

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Illustration: Scott Menchin

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carlzimmer

New York Times columnist. New book: She Has Her Mother's Laugh: The Powers, Perversions, and Potential of Heredity http://bit.ly/SheHasHerMothersLaugh