Abstract

Abstract The feasibility of detecting primer discharge residue (PDR), using the scanning electron microscopy/energy-dispersive X-ray (SEM/EDX) method, on suspects in hand grenade throwing incidents was studied. Two types of hand grenades were examined. It was found that unique primer particles are discharged in close proximity to the thrower and may subsequently be found on his person. In addition, it was found that, with these types of grenades, characteristic particles containing elements such as bismuth and tin may also be found. These particles, when found, may serve as an indication of a suspect's connection to a hand grenade throwing.

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