driven security. kids this age are not high security risks in part because they have small shoes. they can't carry enough explosives to damage or bring down an aircraft. here is a tsa administrator from this morning. >> children themselves of course are not terrorists but we also know they can be used by terrorists to do bad things we've seen overseas. fortunately we haven't seen that here. >> reporter: one of the other big thanks you will see is with the body scanning images. half of the machines in the nation's airports now us updated technology. it looks a little bit like a gingerbread man or doughboy. you see the yellow mark on images a, that would require additional screening. compare and contrast that to the images of the old back scatter. what you see there are far more details and critics of system argued it was really undue invasion of a traveler's privacy. given bin laden is dead and american cleric, anwar al with lucky was cleared