A Preliminary Study on Vacuum Metal Deposition as a Standalone Method for Enhancement of Fingermarks on Ballistic Brass Materials

Christofidis, George and Morrissey, Joanne and Birkett, Jason W. (2019) A Preliminary Study on Vacuum Metal Deposition as a Standalone Method for Enhancement of Fingermarks on Ballistic Brass Materials. Journal of Forensic Sciences, 64 (5). pp. 1500-1505. ISSN 1556-4029

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Official URL: http://dx.doi.org/10.1111/1556-4029.14052

Abstract

In order to assess the efficacy of vacuum metal deposition (VMD) as a technique to develop fingermarks on ballistic metallic surfaces, a preliminary study using six donors (three male & three female) was conducted. Using a sequential metal deposition process, two metal combinations were studied—gold/zinc and silver/zinc. Results indicate the potential of this technique, by developing identifiable fingermarks on brass metal disks aged from a few days up to more than a month old. As the development of fingermarks on fired (brass) cartridge cases is an area of interest, a further study was conducted where a total of 20 fingermarks were deposited on cases. After firing, second level fingermark characteristics were successfully observed on cartridge cases highlighting its potential as a fingermark enhancement method for ballistic brass materials. Further work is required to fully evaluate the VMD process and its reliability as a fingermark enhancing method on ballistic surfaces.

Item Type: Journal Article
Additional Information: A copy of this paper is available at http://researchonline.ljmu.ac.uk/id/eprint/10306/
Keywords: ballistics, fingermarks, fingerprints, fired cartridges, forensic science, vacuum metal deposition
Faculty: Faculty of Science & Engineering
SWORD Depositor: Symplectic User
Depositing User: Symplectic User
Date Deposited: 10 Apr 2019 09:57
Last Modified: 14 Nov 2019 15:56
URI: http://arro.anglia.ac.uk/id/eprint/704272

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