A Pinch of Salt: Bugged by rumors of loaded magazines

Seems to me that terrorists are not as smart as they think they are. Always looking for ways to smuggle death-dealing devices into the U.S. they are missing the most foolproof method of all. Bear with me now, OK? I mean this is a bit of a delicate situation. At this point you have to promise not to tell anyone about this deadly secret -- and if you are a terrorist, do the decent thing and close your eyes for a couple of minutes.