trying to do. it pushes the risk level down. and so we should have great confidence that this works. it's not new technology. it's being used right now today on the border to help find evil doers, it's being used in afghanistan to protect our troops, so there's a lot of history that it does work and, in fact, is being used right now, today. jon: john, your group is saying use of this machine amounts to a digital strip search? >> it does. it's a deeply-flawed program that amounts to a digital strip search for american air travelers. the program should absolutely be shut down, and as to effectiveness, there's really ample evidence that these machines are not designed to detect powdered explosives, exactly the kind use inside the attempted december 25th bombing. jon: we're looking at some of the images these machines produce. the faces are said to be blurred, the person who's operating the machine doesn't even see the real life human who's walking through it, so in