Not true at all. There are quite a large number of cases out there that would be hard to lift fingerprints from. If the owner has this sort of case, and if the

Not true at all. There are quite a large number of cases out there that would be hard to lift fingerprints from. If the owner has this sort of case, and if the owner has cleaned the screen recently or just had the phone pocketed, thus wiping the screen off rather well...I think there are a large number of phones from which you would get no prints.