Forensic exploitation of patterned injuries: Promoting structured analysis as an early assessment for comparison process

Q1 Social Sciences Forensic Science International: Synergy Pub Date : 2024-01-01 DOI:10.1016/j.fsisyn.2024.100469

Stella Fahrni , Olivier Delémont , Silke Grabherr

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Abstract

Practice at our Center shows that approach using 3D surface imaging for morphometric comparison of patterned injuries does not always lead to accurate conclusions.

We decided to evaluate whether a selection protocol focused on analysis phase could enable us to form an early assessment of the outcome of a comparison process, and then to select lesions likely to lead to a probative conclusion.

23 blunt objects were used to create 65 patterned injuries on an experimental model simulating human skin. A blinded analysis and a comparison were conducted on photographs and 3D models of the lesions. Statement of analysis phase was consistent with comparison results in most cases, enabling correct identification of the responsible object or at least keeping it as possibly responsible among 2 to 3 objects.

Our protocol has been demonstrated to improve ability to exploit patterned injuries from surface imaging, despite certain limiting factors.

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模式化伤害的法医利用：促进结构化分析，将其作为比对过程的早期评估

本中心的实践表明，使用三维表面成像技术对模式化损伤进行形态对比的方法并不总能得出准确的结论。我们决定评估一种以分析阶段为重点的选择方案是否能让我们对对比过程的结果形成早期评估，然后选择可能导致证明性结论的病变。23 用钝器在模拟人体皮肤的实验模型上制作了 65 个花纹伤痕，对伤痕的照片和三维模型进行了盲法分析和比对。在大多数情况下，分析阶段的结果与对比结果一致，从而能够正确识别肇事物体，或至少在 2 到 3 个肇事物体中保留可能肇事的物体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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