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Science And Nature

Forensic fingerprinting technique may help spot document fraud

Pressing gelatin onto fingerprints then exposing it to a particular vapour can determine once the prints were made

Chemistry 30 July 2022

By Karmela Padavic-Callaghan

A pipette by a fingerprint

Which came first, the fingerprint or the written text in the document it had been lifted from?

Cultura Creative RF/Alamy

A method for determining whether a fingerprint appeared on a bit of paper before or after text was printed onto it may help resolve fraud cases. The approach uses standard forensic tools therefore would be easy to put to utilize.

In forensics, the when is frequently as important because the who. In an incident, for example, there may be a predicament where someone is suspected of tampering with a will or contract by printing

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