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Can you beat a lie detector? UK police increasingly using polygraph tests – here’s how people try to cheat | UK News
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I’m officially a bad liar. With a blood pressure cuff pumped tight around my arm, straps around my chest monitoring my breathing, and sensors on my fingers to pick up any traces of sweat, veteran polygraph test examiner Don Cargill says he can easily spot the signs I’ve told him a fib. I’ve denied writing…