Survey of the conclusions drawn of similar footwear cases in various crime laboratories |
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| Affiliation: | 1. Guangzhou Key Laboratory of Insect Development Regulation and Applied Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China;2. College of Agriculture, Food and Natural Resources, University of Missouri-Columbia, Columbia, USA;1. Stoney Forensic, Inc., 14101-G Willard Road, Chantilly, VA, 20151-2934 USA;2. Department of Mathematics and Statistics, South Dakota State University, Brookings, SD 57007 USA;1. School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China;2. Shanghai Putuo District People’s Hospital, Shanghai 200060, China;1. School of Chemical and Physical Sciences, Keele University, Keele, Staffordshire, ST5 5BG, United Kingdom;2. The National Institute of Poultry Husbandry, Harper Adams University, Newport, Shropshire, TF10 8NB, United Kingdom;3. Department of Chemistry, Liverpool University, Crown Street, Liverpool, L69 7ZD, United Kingdom |
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| Abstract: | This study focuses on the reporting of shoeprint cases concerning the possibility of various laboratories drawing different conclusions from similar cases. For this purpose, six sets of photographs — six fictitious crime cases — were prepared. The six cases were distributed to the 34 crime laboratories having registered for the European Meeting for Shoeprint and Toolmark Examiners. The examiners in different laboratories were asked to examine the cases and to draw their conclusions from each of them based on pattern, shape, size and the accidental characteristics marked on the photos. The expressions for the conclusions were selected as degrees of probability. The examiners were asked to follow the expressions given, even if they were not using the same wording in their own reports. Based on the survey, there seem to be remarkable variations in the conclusions of shoeprint reports drawn from identical cases in different crime laboratories. |
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