'Truth serum' drugs do exist. Here's how medicines like sodium pentothal and scopolamine can manipulate the brain.

Tech Insider
A spiky seed from the Datura stramonium plant that contains poisonous compounds including scopolamine.
The Datura stramonium plant contains poisonous seeds that can be used to make scopolamine.

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7 signs you're being lied to, according to a psychotherapist who's trained the FBI and CIA

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2 people having a serious conversation in a restaurant
David Lieberman says a liar will often talk more in the second person with lots of "you" statements, or they'll keep referring to "they" or "that" person.

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