Originally Posted by
Zorak
How/when are you being selected? In all recent cases I can recall when I've been selected, when I walk through the WTMD a tone/signal goes off (that is different from the "person walking through with metal" tone), and it feels like something that is either truly random, or a "once every N passengers" sort of thing.
Yes, after a tone and the nearby TSA agent reading the display at the top of the detector.