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New fingerprint visualization method uses X-rays to reveal missing clues Dusting for fingerprints can sometimes alter the prints, erasing valuable forensic clues. Now, chemists say they have developed a new fingerprint visualization technique using X-rays that leaves prints intact and, in addition, reveals chemical markers that could give investigators new clues for tracking criminals and missing persons. Their technique was described today at the 229th national meeting of the American Chemical Society, the world`s largest scientific society.
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