Identification of Ammunitions Used in a Lethal Robbery. Comparison Between Scanning Electron Microscopy/Energy Dispersive X-Ray Analysis (SEM-EDX) and Instrumental Neutron Activation Analysis (INAA) Measurements

Gunshot residues (GSRs) sampled in proximity of the hole left by a bullet on the clothes of a person wounded during a homicidal robbery, have been examined by the authors, on request of the Court. These investigations have shown that gunshot residues GSRs can be considered consistent with a shot dis...

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Bibliographic Details
Published in:Journal of forensic sciences 1993-09, Vol.38 (5), p.1237-1242
Main Authors: Moauro, A, Falso, G
Format: Article
Language:English
Subjects:
Electron microscopes
Forensic ballistics
Forensic radiography
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Summary:Gunshot residues (GSRs) sampled in proximity of the hole left by a bullet on the clothes of a person wounded during a homicidal robbery, have been examined by the authors, on request of the Court. These investigations have shown that gunshot residues GSRs can be considered consistent with a shot discharged by a pistol SIG SAUER, found on the crime scene, with Sellier & Bellot (S&B) ammunition. Actually, these cartridges leave residues in which tin is present together with lead and barium, as found in the examined GSRs. An evaluation of the firing distance and a comparison between scanning electron microscopy with energy dispersive X-ray analysis (SEM-EDX) and Instrumental Neutron Activation Analysis (INAA) have been also performed.
ISSN:0022-1198
1556-4029
DOI:10.1520/JFS13530J