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b'One of the most controversial tools used by investigators is the lie detector. It\\u2019s used often to intimidate suspects and sometimes it\\u2019s responsible for confessions, real and false. Author Amit Katwala explains how the lie detector\\u2019s origin is grounded in deception, abuse, and of course murder.\\xa0\\n\\nSupport this podcast by shopping our latest sponsor deals and promotions at this link:\\xa0https://bit.ly/4dsqzI1\\n\\nBuy my books:\\u202fkatewinklerdawson.com\\xa0\\xa0\\nIf you have suggestions for historical crimes that could use some attention, email me:\\u202finfo@tenfoldmorewicked.com\\xa0\\xa0\\nFollow me on social: @tenfoldmore (Twitter) / @tenfoldmorewicked (Facebook and Instagram)\\xa0\\xa0\\n2023 All Rights Reserved\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'