Summary
Gunshot residue analysis (GSR) has made a series of advancement in recent years, but initial approaches at detecting residues on the hand of a suspected shooter had significant weaknesses. ASPEX, with its cutting edge technology, has overcome many of these issues in which they developed a nondestructive method that greatly enhances both the accuracy and speed of analysis, as well as providing comprehensive documentation. Here, Lundrigan discuses on how ASPEX GSR system works, which can be found in leading forensic crime laboratories around the world.
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Extract
Gunshot Residue Technology
Wenever a gun is fired, the combusion of gunpowder and primer creates a residue that is often deposited on the hands, face and clothing of the shooter. The most prevalent ingredients included in the primer are lead, barium and antimony (though th...
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