Crime-solving camera

Quick-change trick allows a digital camera to photograph blood concealed by paint

By Stephen Ornes, 11:00 AM August 31, 2012

Criminals can’t hide their crimes with paint anymore, thanks to a lighting trick and an ordinary camera.

 

In July, scientists reported that a standard digital camera can photograph blood even when it’s hidden behind many layers of paint. All it takes are some small adjustments to the camera to turn it into a crime-fighting tool.

 

In an investigation, blood found at the scene of a crime is powerful evidence.  It may contain DNA, which can be used to identify victims and criminals. DNA is the gen...

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