Assessing the shooting distance of lead-free ammunition regardless of composition using Laser Induced Break down Spectroscopy
Authors
Gutiérrez Redomero, Esperanza; Doña Fernández, Alicia; Rodríguez Pascual, José Antonio; De Andrés Gimeno, Israel; Valtuille Fernández, Eduardo; [et al.]Identifiers
Permanent link (URI): http://hdl.handle.net/10017/60284DOI: 10.1093/fsr/owad022
ISSN: 2096-1790
Date
2023-08-03Affiliation
Universidad de Alcalá. Departamento de Ciencias de la Vida. Unidad docente Zoología y Antropología FísicaBibliographic citation
Forensic Science Research, 2023, v. , n. 8, p. 256-264
Keywords
Lead-free ammunition
LIBS
Shooting distance determination
Gunshot residue
Crime scene
iForenLIBS system
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
© The Author(s) 2023
Attribution 4.0 International (CC BY 4.0)
Access rights
info:eu-repo/semantics/openAccess
Abstract
At present, it is challenging to accurately determine firearm shooting distances in the case that lead-free ammunition is involved, largely because
different manufacturers use different primer compositions. Laser-induced breakdown spectroscopy (LIBS) allows the simultaneous detection
of multiple elements with high sensitivity and so may represent a solution to this problem. Previous studies have, in fact, demonstrated that
LIBS can be used to determine shooting distances when working with gunshot residues from conventional ammunition based on scanning
fabric surfaces. The present study confirms that the shooting distance can be ascertained using LIBS to detect copper originating from the ammunition casing and projectile but not the primer on fabric surfaces. This estimation can be performed regardless of the primer composition of lead-free ammunition.
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