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Simulating forensic casework scenarios in experimental studies: The generation of footwear marks in blood

McElhone, RL; Meakin, GE; French, JC; Alexander, T; Morgan, RM; (2016) Simulating forensic casework scenarios in experimental studies: The generation of footwear marks in blood. Forensic Science International , 264 pp. 34-40. 10.1016/j.forsciint.2016.03.023. Green open access

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Abstract

A study was designed to investigate the effects of external variables, including blood type, flooring surface, footwear tread depth and blood dryness, on the appearance of blood-based footwear marks, with particular reference to simulating a specific casework scenario. Results showed that footwear marks left in human blood tended to be of greater quality than those in equine blood, highlighting a potential issue in applying data generated with equine blood to human bloodstains in casework. Footwear tread effects were also dependent on blood type, but the type of flooring surface did not affect the appearance of the mark. Under some conditions, as the blood dried, the amount of detail retained from footwear contact decreased. These results provide the beginnings of an empirical evidence base to allow a more accurate interpretation of blood-based footwear marks in forensic casework. When applied to a disputed bloodstain in a specific case, these results also demonstrate the importance of such experiments in narrowing the range of explanations possible in the interpretation of forensic evidence.

Type: Article
Title: Simulating forensic casework scenarios in experimental studies: The generation of footwear marks in blood
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.forsciint.2016.03.023
Publisher version: http://dx.doi.org/10.1016/j.forsciint.2016.03.023
Language: English
Additional information: © 2016. This manuscript version is published under a Creative Commons Attribution Non-commercial Non-derivative 4.0 International licence (CC BY-NC-ND 4.0). This licence allows you to share, copy, distribute and transmit the work for personal and non-commercial use providing author and publisher attribution is clearly stated. Further details about CC BY licences are available at http://creativecommons.org/licenses/by/4.0.
Keywords: Forensic science, Footwear marks, Blood, Empirical data, Interpretation, Trace evidence
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Security and Crime Science
URI: https://discovery.ucl.ac.uk/id/eprint/1476402
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