Originally posted by baco99:
Originally posted by frenchblueC2:
I'm pretty sure they puff you for particles contained in explosives and stuff.
So the machine sniffs it afterward.





that's the basic funtion. it is supposed to shake loose small particles of "contaminants" like explosive dust, but they use it to track drugs too.




That's what I've heard as well. My wife was in NYC a few weeks ago and went out to Ellis Island, they have one there too.


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