Gregory Hartley

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1) How to spot a liar: why people don't tell the truth-- and how you can catch them

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Ever caught a spouse, business partner, parent, boss, or child brazenly lying? What if you could tell someone was lying, just by listening and observing? Let decorated military interrogator Gregory Hartley show you how to do it.

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Gregory Hartley

1) How to spot a liar: why people don't tell the truth-- and how you can catch them