Gunshot Residue (IMAGE)

American Chemical Society

Gunshot Residue

Caption

With what could be a shot in the arm for crime scene investigators, chemists have developed a reliable new test for detecting the presence of gun shot residue. Above is a residue particle -- roughly 1/20 the size of a period -- that has been magnified 200 times with a digital microscope.

Credit

Courtesy of Garrett Burleson.

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