FlyerTalk Forums - View Single Post - Is TSA no longer the leader in airport security innovation?
Old Aug 25, 2019 | 9:52 am
  #4  
MADPhil
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I haven't encountered them but according to the BBC they are in use at ATL, ORD, and some other US airports. Presumably for testing at present.
https://www.bbc.com/news/business-49447200
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