足迹FOOTPRINT足迹足迹.ppt
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1、足迹FOOTPRINT,2D- once the print is photographed it can be lifted with a gel lifter, shoe impression lifters or fingerprint tape. When using fingerprint tape the impression will have to be lifted in the same manner as a multi finger lift.,Enhancing 2-D prints The 2D print can sometimes be “developed”
2、in much the same way as a fingerprint by using black powder. The print can then be lifted and placed on acetate or white paper.,Electrostatic Dust Print Lifter about 20 years ago a recovery method was developed for collecting dust prints. This method uses an electrostatic charged piece of Mylar film
3、 to lift the prints.,The electrostatic dust lifter will work on virtually any surface. The print quality will vary because it is dependant upon the surface where the print is located.,If you have a stun gun you already have the major component of a dust print lifter. All you need is a piece of Mylar
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