It's hard to tell isn't it? Since it's know, the bad guys would be stupid to plan something that involved dragging weapons or explosives through the security ch

It's hard to tell isn't it? Since it's know, the bad guys would be stupid to plan something that involved dragging weapons or explosives through the security checks. Some where stupid and tried and succeeded. A limited number then accidentally set their underwear on fire and a few others managed to make a hole in plane.