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micro-expression

micro-expression
 n.— «The TSA aims to have 500 “behavior detection officers” (BDOs) in airports by the end of this year. The job of the BDOs will be that of examining passengers for “body language and facial cues… for signs of bad intentions.” They look for what the experts call “micro-expressions.” Fear and disgust are the key ones, he said, because they’re associated with deception. That would make me a prime candidate for scrutiny and possibly trouble because if I ever had to go through airport security procedures, I would have those “micro-expressions” of disgust and fear of arrest.» —“Airport Tyranny” by Walter E. Williams Townhall.com June 18, 2008. (source: Double-Tongued Dictionary)

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