Creation of a universal experimental protocol for the investigation of transfer and persistence of trace evidence: Part 2 – Implementation and preliminary data

Ménard, Hervé, Cole, Christian, Mudie, Roy, Klu, Joyce K., Lawson, Melissa, Green, Stephanie, Doyle, Stewart, MacNeill, Emma H., Hamilton, Bethany, Sheridan, Kelly and Nic Daéid, Niamh (2021) Creation of a universal experimental protocol for the investigation of transfer and persistence of trace evidence: Part 2 – Implementation and preliminary data. Forensic Science International: Synergy, 3. p. 100164. ISSN 2589-871X

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Abstract

This is the second paper on the development and implementation of a universal experimental protocol for transfer and persistence of trace evidence. Here, we present the results of five individual researchers who implemented the universal experimental protocol for the first time. Over 2500 images were collected, computationally analysed and statistically compared. The results were shown to be reliable and consistent under all conditions tested and were used to model the rate of loss of transferred particles over a 7-day timescale. The protocol was additionally extended to include a test of camera settings. The protocol was found to be useable and robust in this preliminary trial paving the way for it to be deployed more widely.

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