Paul Chook News Today

The airplane. >> reporter: whoever built that bomb likely thought it would pass through an x-ray machine with the petn disguised as printer toner powder. randi kaye, cnn, new york. >> want to dig deeper on this with our terrorism analyst and paul chook -- cruickshank. paul, i mean, weve talked a lot about groups and saw it there trying to use sophisticated methods, the ink jet cartridge. they say thats a relatively easy thing to make. and a relatively crude device. >> a very conventional device,...