Retired Deputy U.S. Marshal Breaks Down How To Detect Deception
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Retired Deputy U.S. Marshal Breaks Down How To Detect Deception

Mark McClish was a U.S. marshal for 24 years and spent several years teaching interview techniques. Oxygen.com caught up with him ahead of his 2021 Crime Con panel on how to know if someone is lying.

Interviews from CrimeCon 2021