If shows like CSI have taught us anything about lifting fingerprints, it’s that we do it by dusting them with powder or fuming them with chemicals… and that we have to turn on blue accent lighting and play moody electronic music while we’re doing it. Approaches like these rely on chemical reactions with the deposited finger skin oil to provide the print. A new method developed at Penn State University, however, lets the physical geometry of the print do the talking. The oils are left unaltered, which could make all the difference in a criminal investigation…
Continue Reading Novel process lifts fingerprints based on geometry, not chemistry
Tags: evidence,
Fingerprint,
police
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