High-tech Fingerprinting
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September 18, 2008
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Download video directlyTwo new fingerprinting methods sharpen the ability to identify criminals and combatants. The first is wipe-, heat-, and spray-paint-resistant, detecting corrosion on metals caused by salt in the fingerprint.
The second method analyzes the chemical makeup of the fingerprint, not only revealing compounds like drugs or explosives, but also allowing overlapping fingerprints to be isolated.
Related Links:
“On the Electrical Characteristics of Latent Finger Mark Corrosion of Brass, ” Journal of Physics, June 21, 2008
“Visualization of Latent Fingerprint Corrosion of Metallic Surfaces, ” Journal of Forensic Sciences, July 2008
“Latent Fingerprint Chemical Imaging by Mass Spectrometry, ” Science, August 8, 2008
