在现场勘查中,常规痕迹如手印的发现率愈来愈低,严重影响了手印在侦察和诉讼中应有功能的发挥。究其原因,除了勘验人员素质较低和技术装备落后外,更重要的是作案人破坏现场手印的现象日趋“疯狂”。众所周知,手印素有“证据之首”之称,作案人对其同样已有较为深刻的认识,为逃避罪责,破坏现场手印似乎已成为他们自我保护的“常识”。笔者曾对本辖区1994年6月至12月份发生的52起案件的现场勘查记录进行了查阅,其中现场手印遭到作案人破坏的记录就达19份,占总数的36.5%。面对如此状况,我们根据手纹“触物留痕”的 During the site survey, the discovery rate of conventional marks such as handprints is getting lower and lower, seriously affecting the function of handprints in reconnaissance and litigation. The reason, in addition to the lower quality of the inspectors and technical equipment behind, more importantly, criminals destroy fingerprints on the scene increasingly “crazy.” As we all know, handprints are known as “evidence of the first ” said, the perpetrators have also had a more profound understanding of them, in order to evade the guilt, destruction of fingerprints on the scene seems to have become their self-protection “common sense ”. The author has conducted on-site inspection records of 52 cases occurred in June-December 1994 in this jurisdiction. Among them, 19 were fingerprinted on-site, accounting for 36.5% of the total. Faced with this situation, we according to the hand pattern “touch trace ”