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A preliminary study on vacuum metal deposition as a standalone method for enhancement of fingermarks on ballistic brass materials

Christofidis, G, Morrissey, J and Birkett, JW (2019) A preliminary study on vacuum metal deposition as a standalone method for enhancement of fingermarks on ballistic brass materials. Journal of Forensic Sciences. ISSN 0022-1198

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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: Article
Additional Information: This is the peer reviewed version of the following article: Christofidis, G. , Morrissey, J. and Birkett, J. W. (2019), A Preliminary Study on Vacuum Metal Deposition as a Standalone Method for Enhancement of Fingermarks on Ballistic Brass Materials. J Forensic Sci, which has been published in final form at https://dx.doi.org/10.1111/1556-4029.14052. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions
Uncontrolled Keywords: 0399 Other Chemical Sciences, 0699 Other Biological Sciences, 1103 Clinical Sciences
Subjects: H Social Sciences > HV Social pathology. Social and public welfare. Criminology
Q Science > QD Chemistry
Divisions: Pharmacy & Biomolecular Sciences
Publisher: Wiley
Date Deposited: 28 Mar 2019 11:43
Last Modified: 29 Mar 2019 22:36
DOI or Identification number: 10.1111/1556-4029.14052
URI: http://researchonline.ljmu.ac.uk/id/eprint/10306

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