AdvertisementPassengers Flying To U.S. Face Heightened Screenings, New QuestionsOctober 26, 2017Camila DomonoskefacebookEmailA dog trained to find drugs and banknotes smells luggage at the Mulhouse airport in France on Oct. 10. Dogs trained to detect explosives are expected to be deployed at international airports as part of heightened screening measures for flights to the U.S. (AFP/Getty Images)