Gunshot residue: Difference between revisions
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Investigators may test a suspect's hands, arms and face for particles of gunshot residue as evidence of having recently handled or fired a gun. Additionally, the pattern of gunshot residue on the target can determine how close the firearm was when it was fired. |
Investigators may test a suspect's hands, arms and face for particles of gunshot residue as evidence of having recently handled or fired a gun. Additionally, the pattern of gunshot residue on the target can determine how close the firearm was when it was fired. |
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==See also== |
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*[[Paraffin test]] |
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==External links== |
==External links== |
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Revision as of 13:39, 25 April 2007
Gunshot residue is expelled as tiny particles from the barrel of a firearm when it is fired. Among other materials, gunshot residue contains the heavy metals barium, lead and antimony. Modern forensic methods require the presence of these metals to identify trace evidence as gunshot residue.
Investigators may test a suspect's hands, arms and face for particles of gunshot residue as evidence of having recently handled or fired a gun. Additionally, the pattern of gunshot residue on the target can determine how close the firearm was when it was fired.
External links
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