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FBI’s new way of analyzing DNA could reopen lots of cold cases

Scientists at the Federal Bureau of Investigation (FBI) have already generated 7000 new matches in their database of 15 million DNA profiles, thanks to a new method of DNA analysis, The Wall Street Journal reports. Previously, FBI compared 13 locations in DNA samples that vary significantly from person to person to match crime scene evidence to people in their database. Now, they have reduced that number to nine, representing the most rare and specific locations where the human genome can vary. The scientists hope this improvement will not only solve cold cases, but also exonerate the wrongly imprisoned.  

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