测谎技术在投毒杀人案件侦查中的应用

投毒杀人案件由于案件条件的影响,侦查存在一定难度。在侦查中测谎技术的应用有助于甄别罪犯明确侦查方向。投毒杀人犯罪行为预谋性强的特点,使犯罪行为行为人对毒物、投毒点等犯罪事实有较强的心理痕迹,并呈现出较为明显的特异性生理反应,这为测谎技术的应用提供了较好的条件。在制订测试方案时,除应严格遵循测谎技术相关原理和应用要求外,还应充分考虑受测人漏罪、对毒物是否熟悉、与被害人的利害关系等因素对测试结论的影响,合理选择测试时间,保障测谎结论的准确性。

On the Application of Polygraph Technology in the Investigation of Poisoning Murder

Due to the in fluence of conditions for poison murder, there are some difficulties in its investigation. Polygraph technology application in investigation helps to identify the direction of the criminal detection. Strong premeditation of poison murder makes crime behavior facts with strong psychological trace in poison, poisoning point and etc. and also it presents the specific physiological response, providing good condition for the application of polygraph technology. In the test plan, besides strictly the polygraph technology principle and application requirements, we should also give full consideration for factors, as subject ＂leaking＂, know-or-not-know toxicant and relationship with victim, which influence of the test results, also, we need to chose reasonable test time so as to guarantee the accuracy of the polygraph conclusion.