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A new Leonardo da Vinci portrait may have been discovered after a fingerprint found on it seemed similar to another discovered on his work.
Stringent new security regulations affecting most tourists have been introduced at US air and sea ports.
2004-01-05
fingerprint surveillance big brother USA alien visitor tourism humiliation tracking War On Terror travelA technology to extract fingerprints from a crime scene could show if a criminal suspect has taken drugs or been in contact with explosives.
2011-08-04
fingerprint finger evidence police drug explosives chemistry spectrometry secretion crime