在现场勘查实践中,经常遇到罪犯出入口的门窗及玻璃上被雪雨淋湿或被犯罪分子故意用水冲洗的情况.一般认为,被水浸过的客体上指纹已经遭到了破坏,因而就没有再寻找的必要.我们经过多次试验发现,只要是经过干燥处理,并且注意掌握干燥时间,选用适当的提取方法,是能够提取到有价值的指纹来帮助破案的.案例:1994年6月10日夜,我县见义勇为捐款办公室和希望工程捐款办公室被盗现金及存折近两万元,现场勘查发现,犯罪分子破门上方窗子玻璃入室,但落地的碎玻璃不知去向,后在勘查外围现场时,从厕所便池内发现已被水冲洗.在这种情况下,我们仍将碎玻璃片提取,首 In the field investigation practice, often encounter the entrances and exits of criminals doors and windows and glass by the snow wet or deliberately rinsed by criminals.It is generally believed that the object has been flooded fingerprints have been destroyed, so there is no And then look for the necessary.After many tests we found that as long as it is dried, and pay attention to the drying time, the use of appropriate extraction method is able to extract valuable fingerprints to help solve the case.June 10, 1994 Day and night, my county courageous donation office and Hope Project donation office stolen cash and passbooks of nearly 20,000 yuan, the scene found that criminals broke through the window glass above the room, but the ground broken glass I do not know where to go, after the survey of the external field, from Toilet bowl was found to have been washed with water. In this case, we will still extract the broken glass, the first