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Already checked? You can find even more exciting videos in the Checker World of the ARD media library: https://1.ard.de/checkerwelt. ???? Today Tobi is checking how to recognize whether someone is lying. To do this, he is hooked up to a lie detector and questioned. ???? Tobi also talks about cheating and fibbing in his CheckPod in the ARD audio library: https://www.ardaudiothek.de/episode/c...