Podcast about polygraph and lie-detection by television’s ‘Thumbs Up - Thumbs Down’ lie detector guy! More than 1000 TV/media appearances, more than 10,000 persons tested, more than 300 million views of his work on YouTube alone. Polygraph instructor. How it works, actual tests discussed and more. Based in Los Angeles at LieDetectorGuy.com and CertifiedPolygraph.com, he tests mostly for relationship, infidelity, theft, pre-employment, immigration and abuse.