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犯罪现场是案件信息的来源,是侦查人员认识案件的出发点。注重收集与犯罪有关的痕迹、物证对现场勘查具有重要意义。但是由于犯罪现场的复杂性,犯罪行为轨迹与生活行为轨迹存在重合的可能性,犯罪现场往往遗留有犯罪人的非犯罪行为轨迹和被害人的行为轨迹。犯罪人的非犯罪行为与犯罪行为常常是相互关联的,因此犯罪人的非犯罪行为就可能成为犯罪行为的补充。从现场分析角度讲,侦查人员在发现犯罪行为的同时清楚地认识非犯罪行为,为正确分析现场与重现犯罪经过提供思路与线索。因此,侦查人员在现场勘查时对非犯罪行为的收集及分析,是至关重要的。
The crime scene is the source of the case information and the starting point for the investigators to know the case. Focus on the collection of crime-related traces of evidence of on-site exploration of great significance. However, due to the complexity of the crime scene, there is a possibility that the trajectory of crime and the trajectory of life act coincide with each other, and the crime scene often lacks the trajectory of the non-criminal behavior of the criminal and the trajectory of the victim. Offender’s non-criminal behavior and criminal behavior are often interrelated, so the perpetrator’s non-criminal behavior may become a complement to criminal acts. From the point of view of field analysis, investigators clearly recognize non-criminal behaviors while discovering criminal behaviors and provide ideas and clues for correctly analyzing the scene and reproducing the crimes. Therefore, it is of utmost importance for investigators to collect and analyze non-criminal behaviors during site investigation.