投毒案件现场分析及侦查途径探究

Crime Scene Analysis and Investigation Approach of Poisoning Cases

投毒案件具有案前准备充分、作案方法手段隐蔽多样、犯罪"成本"低、社会危害和影响极大、因果关系明确等特征。在侦查实践中,中毒事件的现场定性和勘查是一大难题。通过对2002—2009年间公安部刑侦局统计的全国31起典型的投毒案例进行质化分析,对与投毒案件类似的多类中毒事件进行比较分析和定性,可归纳总结出该类案件犯罪嫌疑人特征和案件特点;发现侦查实践中的侦查难点和要点;为寻找切实可行的侦查途径提供依据,从而帮助侦查人员更好地开展此类案件的侦查工作。

The poisoning cases have some characteristics such as adequate preparation in pre-crime,criminal methods and means is sundry and covert,the“cost”of crime is low,social harm and influence is great,and causal relationship is obviously and many more.In the investigation practice,it is a major problem how to determine nature of poisoning events in criminal scene.Through a qualitative analysis of the 31 typical cases of poisoning collected by the Criminal Investigation Bureau of the Ministry of Public Security between 2002 and 2009,according to compare kinds of poising events with poising cases and determine nature to make a summary and induction what is the features of the suspects and the characteristics of the case in this type of case,and find the investigation difficulty and essentials in practice.This will help investigators better conduct investigations in such cases.