凶杀案现场案犯自杀的认定依据

凶杀案现场勘查中对凶杀案案犯自杀于现场的认定依据从以下几个方面分析:现场是否有死者以外的人进出的痕迹;现场是否有死者以外的人留下的与作案有关的痕迹物证;杀人凶器是否遗留在现场;现场物品有无增减或变动;现场是否反映杀人动因;死者死前的心理活动;凶手自杀与现场痕迹物证的形成有无矛盾;结合尸检分析,致命伤是否符合自己形成,自己能否形成。

Evidences of Confirming the Suicide of Criminals on the Spot of Murder Cases

The evidences of confirming the suicide of criminals in the spot investigation of murder cases should be analyzed from the following respects: whether there is any mark besides those of the dead;whether there is any case-concerning material evidence of trace left by others;whether the criminal tools are left behind on the spot;whether there is any increase and decrease as well as change of articles on the spot;whether the motivation of murdering is reflected;the psychological activities of the dead before being murdered;Whether there is any contradiction between the criminal suicide and material evidence of trace on the spot;whether the mortal wound can be formed or form by itself combined with the autopsy analysis.