Image for The technology revealing fingerprints' hidden secrets

The technology revealing fingerprints' hidden secrets

Duration: 04:10

Fingerprint evidence has been helping the police solve crime for about 100 years, and now a new technique could reveal vital clues about a suspect's activities hours before the crime took place.

In a unique trial scientists from Sheffield Hallam University have joined forces with West Yorkshire Police to analyse fingerprints taken from crime scenes for substances hidden within or on the print.

The scientists say the results can reveal the suspect's sex, whether they have handled or taken drugs and what they have eaten.

The BBC's Rebecca Morelle reports for Click.

Available since: Wed 2 Apr 2014

This clip is from

Click 29/03/2014 GMT

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First broadcast: 29 Mar 2014

Image for 29/03/2014 GMT

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