terrorism? charles from our fox affiliate in st. louis reports. the transformation from young chinese to old white man was complete, but why wasn t it caught by body scanners? because scanners are trained not to look at faces. had they focus on an image, they focussen the body. looking for concealed weapons or other types of unusual objects that could possibly be some type of explosives or weapon. david mcgee helps design airport and sea port security at the st. louis firm. he says the main failure was the people operating the technology. the man was disguised, part of a demographic group, not expected to cause problems. going from a young asian man to old white man, certainly would lower the level of suspicion. so how easy is it to pull off? we asked a woman in charge of costumes at webster university. it s not that difficult to