Fill in the Blanks 118lieOnline version lie detectors by John E 1 border Passengers traveller scan detector detector detailed outside passenger airports travellers questions detector said questions project passengers' behaviour questions Some European will soon use lie tests . They are part of an EU called i - BorderControl . Travellers from the EU will take the test . will look into a webcam and answer . A virtual guard will ask the . It will use the language the speaks . The EU said the virtual border guard will faces to find out if a is lying . Low - risk will get on basic information ; higher - risk passengers will get more questions . An expert said the lie might not work . He people change their in front of a lie .
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