How to Spot a LIAR Immediately// Signs They ARE LYING To You

Lie detector tests are a thing based on behavioral psychology. They track heartbeat, respiration, and skin conductivity.

And although you can’t precisely reach over and get the blood pressure of someone you’re having a conversation with, there are many more — if not more reliable — behavior cues that can show you that someone is lying to you.

And this video is all about that.