Smoking Guns | May 21, 2012 Issue - Vol. 90 Issue 21 | Chemical & Engineering News
 
 
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Volume 90 Issue 21 | pp. 36-37
Issue Date: May 21, 2012

Smoking Guns

Raman signatures of gunshot residue differentiate ammunition type and caliber
Department: Science & Technology
News Channels: Analytical SCENE
Keywords: Raman spectroscopy, forensics, gunshot residue

Viewers of police procedural television shows are probably familiar with the idea of using gunshot residue to help identify suspects and solve crimes. In real life, however, forensic investigators currently use gunshot residue merely to establish that a gun has been fired. But new work with Raman spectroscopy suggests those residues might contain far more information than police currently analyze.

Two independent groups are showing that Raman can help match gunshot residue to the type . . .

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