Originally Posted by TSORon

Fact is that paper presents as an organic on our x-ray systems. Not usually a problem. Large stacks of paper present as dense organics, and several types of explosives do as well. Hence the reason for a more extensive look at your daughters bag.

Kiddie porn is rare, most folks flying and who enjoy that form of entertainment (disturbing as it may be, there are those out there that see it as such) know that it will cause no end of problems for them if discovered by the TSA. Regular porn is as common as grass, we see it all the time.