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近年来,江苏省徐州市发生的投毒案件,其性质主要有以下两类:一是以杀人为目的的案件约占80％。二是针对特定或不特定人、人群或牲畜的报复案件约占20％。已破8起案件的特点作案手段隐蔽,报案时间较晚 8起案件全部发生在农村地区,由于农民受害者或其家人受科学文化知识水平的限制,无一起及时向公安机关报案。且由于抢救中毒现场变动大,勘查现场中难以提取到直接认定作案的痕迹物证。在8起投毒案件中有4起为系列投毒案,其中“1999·09·28”沛县鹿楼乡阎花山村系列投毒案,在长达18个月的时间里,受害人家中17次被犯罪分子投放毒物,家人、牲畜反复中毒,造成3人相继死亡后,村民才向公安机关举报。另8起案件勘查现场时全部为变动现场,无一起提取对排除、认定作案嫌疑人有价值的痕迹物证。
In recent years, the poisoning cases that occurred in Xuzhou City, Jiangsu Province, mainly fall into the following two categories: First, about 80% of murder cases are committed. The second is about 20% of retaliation cases targeted at specific or non-specific people, people or livestock. The characteristics of the 8 cases that have been cracked were hidden in the means of committing crimes. The late reporting time all occurred in 8 cases. Since the peasants’ victims or their families were limited by the scientific and cultural knowledge, they were not immediately reported to the public security organ. And because of the large changes in the scene of rescue poisoning, it is difficult to extract the evidence of evidence of direct identification of crimes committed on the scene of the investigation. Among the 8 cases of poisoning, 4 were poisoned in a series of cases. Among them, “1999 · 09 · 28” Yanhuashan Village, Lu Lou Township, Peixian poisoning cases, for up to 18 months, the victim’s home 17 times After being poisoned by criminals and causing repeated poisoning of family and livestock, the villagers reported to the public security organ after three people died in succession. In the other 8 cases, the scene of the investigation was all on the spot of change, and no evidence of evidence of the value of the crime suspects was found.