This week on It's a Scam, we're back to the OG crew. Chloe Mar, Adam Waltz and Jeff Blackburn (formerly known as "Jeff") dive into lie detector tests. They're very popular on crime shows but do they actually detect lies? Plus, why do government agencies like the FBI and CIA use them? All that and more (including Jeff's Neopet update) on this week's It's a Scam.

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