The security/terrorism industry is rife with such snake oil salesmen. And governments all too willing to hand over cash in biblical quantities to them.

Quote Originally Posted by Straight Faced Honest Guv
The training manual for the device says it can even, with the right card, detect elephants, humans and 100 dollar bills.
If it wasn't so serious, the guy should get an award for the best sales line of the century.

In similar news, those multi-million dollar airport screeners don't work either. Well, not for explosives, but you can see children naked, which has to be a plus for someone.