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在足迹检验鉴定过程中,对于花纹种类相同、尺寸大小一致、磨损及穿用细节特征均吻合的检材和样本往往能够较快下达同一认定的鉴定结论 ,而对于有明显差异点的检材和样本,就需要结合嫌疑人的作案过程、现场环境、足迹形成的物质条件等分析差异点形成的原因,解释合理差异,排除本质差异。本文将介绍一个看似检材与样本有明显差异但通过分析足迹的形成和模拟实验证实两者可以同一认定的案例,尤其是分析足迹形成过程(即先加层后减层)对本案认定足迹起到关键性作用。
In the process of footprinting and identification, the samples and samples with the same pattern, the same size, the same wear and wearing details often can reach the same identification conclusion quickly, but for samples with obvious difference and Sample, it is necessary to combine the suspect’s crime process, the site environment, the material conditions of the formation of footprints analysis of the reasons for the formation of differences, explain the reasonable differences, excluding essential differences. This article will introduce a seemingly sample and sample were significantly different but by analyzing the formation of the footprints and simulation experiments confirmed that both can be the same case, especially the analysis of the footprint formation process (ie, the first layer after layer) to determine the footprints of the case Play a key role.