(at around 25 mins) Zito has bandages on some fingers of his left hand but they have gone when he is loading boxes into the back of the car - the bandages re-appear in the next scene when they get out of the car.
Crockett remarks on the quality of the paper. The response refers to laser-based analysis of the real thing. The fact is that the paper used in US currency is of a certain cotton-based blend that includes colored fibers and other content. It cannot simply be analyzed with some sort of scanner and then matched chemically. It should also be noted that the exact paper used is upgraded from time to time.