血迹分析在认定一起命案第一现场中的应用  

Bloodstain Patterns Analysis for Determining the Primary Crime Site in a Homicide Case

作　　者：李明健[1] 王晓伟 李阳[1] 高博文 LI Mingjian;WANG Xiaowei;LI Yang;GAO Bowen(Institute of Criminal Science and Technology of Shijiazhuang Public Security Bureau,Shijiazhuang 050020,China)

机构地区：[1]石家庄市公安局刑事科学技术研究所,石家庄050020

出　　处：《刑事技术》2023年第4期436-440,共5页Forensic Science and Technology

摘　　要：第一现场的界定是命案现场重建的重要内容。血迹是命案现场中最常见的痕迹物证之一,通过对现场血迹的勘验和分析,勘查人员能够完成对现场的重建,还原嫌疑人作案过程,最终认定第一现场。本文基于一起命案中心现场和关联现场的血迹,综合分析血迹的形态、种类和空间分布特点,合理排除了嫌疑人抛尸的可能,准确认定该起命案的第一现场,为案件的快速侦破和成功诉讼提供了关键技术支持,为勘查人员甄别疑难复杂命案的第一现场和抛尸现场提供借鉴。Determining the primary crime site is of importance for the crime scene investigation.Bloodstain is one of the most common types of evidences in homicide scene.Through the analysis of bloodstain patterns at the crime scene,investigators can accurately reconstruct the sequence of events in crime scene and determine the primary crime site.Based on the bloodstain patterns at the crime scene and the associated scene of a homicide case,the investigators comprehensively analyze the shape,type,pattern characteristics,spatial relationships to each other and the surrounding scene of the blood stains.Analysts reasonably eliminates the possibility of suspect disposing the body,accurately determines the first site of the homicide case,provides key technical evidence for narrowing the search for evidence and successful prosecution of the suspect,and provides crucial information for the investigators to identify the fi rst crime scene and the associated scene of this complex and diffi cult homicide case.

关 键 词：现场重建 第一现场 现场血迹 综合分析 

分 类 号：DF793.5[政治法律—诉讼法学]