痕迹检验技术在公安机关现场勘察、证据收集中有着重要的作用,是常用的侦查手段。手印痕迹是在案发现场中常见的一种痕迹形式,而且指纹的稳定性强,一旦形成,终身不变。指纹在诉讼中有“证据之王”的誉称,通过指纹鉴定可以直接认定犯罪嫌疑人。对于案件侦查有着重要的作用,可以为案件的侦查提供相关依据。 Trace inspection technology in the public security organs on-site investigation, evidence collection has an important role, is commonly used means of investigation. Fingerprint traces are common in the scene of a trace of the form, and the stability of the fingerprint strong, once formed, the same for life. Fingerprints in the lawsuit have “reputation of the king, ” reputation, through fingerprinting identification can directly identify the suspect. It plays an important role in the case investigation and can provide the basis for the investigation of the case.