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A Preliminary Study on Vacuum Metal Deposition as a Standalone Method for Enhancement of Fingermarks on Ballistic Brass Materials
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posted on 2023-07-26, 14:36 authored by George Christofidis, Joanne Morrissey, Jason W. BirkettIn 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.
History
Refereed
- Yes
Volume
64Issue number
5Page range
1500-1505Publication title
Journal of Forensic SciencesISSN
1556-4029External DOI
Publisher
WileyLanguage
- other
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Legacy posted date
2019-04-10Legacy Faculty/School/Department
Faculty of Science & EngineeringNote
A copy of this paper is available at http://researchonline.ljmu.ac.uk/id/eprint/10306/Usage metrics
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