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Bloodstain classification methods: A critical review and a look to the future

Hook, Emma, FIELDHOUSE, Sarah, Flatman-Fairs, David and WILLIAMS, Graham (2024) Bloodstain classification methods: A critical review and a look to the future. Science & Justice, 64 (4). pp. 408-420. ISSN 1355-0306

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Abstract or description

Classifying bloodstains is an essential part of Bloodstain Pattern Analysis. Various experts have developed methods. Each method considers the same basic bloodstain pattern types. These use either terminology based on the observable characteristics or the mechanistic cause of the bloodstain patterns as part of the classification process. This review paper considers ten classification methods from fourteen sources, which are used to classify bloodstain patterns. There are fundamental differences in how the patterns are classified, how differentiated the classification is, and whether the classification process uses clear, unambiguous criteria, and is susceptible to contextual bias. Experts have also reported issues with classifying bloodstains that have indistinguishable features. These differences expose key limitations with current classification methods: mechanistic terminology is too heavily relied on, and the classification process is susceptible to contextual bias. The development of an unambiguous classification method, based on directly observable characteristics within bloodstain patterns is recommended for future work.

Item Type: Article
Uncontrolled Keywords: Bloodstain pattern analysis; Classification; Mechanistic; Pattern characteristics; Blood spatter; Forensic science
Faculty: School of Law, Policing and Forensics > Forensic Sciences and Policing
Depositing User: Library STORE team
Date Deposited: 08 Jul 2024 09:53
Last Modified: 08 Jul 2024 09:53

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