But what keeps them, after seeing that black brick at their monitor, from opening the bag, pouring out the films and having them run through the X-ray scanner?
You have a good point. If something shows up as a great black blob, it is likely to be pulled up and opened. It might even trigger are more involved search of the bag's contents. Goodness, just put the film through the scanner and avoid fuss.
.::Gary Rowan Higgins
A comfort zone is a wonderful place. But nothing ever grows there.