Can Polygraphs Reveal Location? Nancy Guthrie Case Explained

In major investigations, polygraphs can be used as an investigative tool to narrow timelines and test statements.

Can a polygraph help investigators determine whether someone knows a missing person’s location?
This is a general explanation of investigative tools, not a statement about specific evidence in the Nancy Guthrie case.

#NancyGuthrie #Polygraph #TrueCrime #Investigation #Forensics

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