Mellowmelly
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- Sep 18, 2016
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Experiment time! Take a non-porous bag, lay it on the floor, step on it (a normal step), and see how long the print is retained. Then take the bag and put something in it, like a large teddy bear, and tie it up. Carry it around, put it in a car, and then check it to see how much of a print was retained and if the print has been distorted. If the prosecution is comparing prints it's most likely the print was made with enough force to be retained (more than just stepping backward) and wasn't distorted. IMHO the print had be made with force and just before the bag was discarded. I'm a big man and I tried this test with a trash bag. In a matter of minutes the print was gone. Trash bags are made to be flexible.
I understand what you mean but I think, and I could be wrong, that finger prints are sometimes invisible to the naked eye ? So I would assume footprints would be too. If I’m right it’s the oil from the skin that transfers prints and this may not always be visible.