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BI Africa

Do polygraphs work and should we keep using them?

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Thousands of polygraphs are given each year in the US alone, but their results are not accepted in more US courts, why?

Francis Shen:

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Lisa Gentile:

Jessica Orwig:

Lisa Gentile:

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Jessica Orwig:

Lisa Gentile:

Lisa Gentile:

Francis Shen:

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