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犯罪嫌疑人在使用工具进行作案时,其作案工具会触碰到犯罪现场的客体,会给客体带来一定程度的破坏,从而使得客体上的部分物质脱落下来并粘附在作案工具上;同时,作案工具也会因为损耗而脱落下部分物质粘附在客体上,这样就产生了微量证物。侦察人员现场勘查时,就可以通过检验工具痕迹中的这些微量物证来确定犯罪嫌疑人的犯罪事实。由此可知,工具痕迹中微量物证的提取及检验非常重要。基于此,本文详细探讨了微量证物在工具痕迹检验过程中的发现及应用。
When the criminal suspects use the tools to commit crimes, their tools will touch the objects at the crime scene, bring some damage to the objects, so that some of the material objects on the objects fall off and adhere to the crime tools; at the same time , Tools will be off because of loss and loss of part of the material attached to the object, thus generating a trace of evidence. Scout personnel on-site inspection, you can test these trace traces of evidence to determine the suspects criminal facts. From this we can see that the traces of evidence in the tool to extract and test is very important. Based on this, this paper discusses in detail the discovery and application of trace evidence in the tool trace inspection process.