It may be less glamorous than a lie detector machine, but simply listening to the words someone says can reveal more about the state of their mind than they'd like.

Source: https://phys.org/news/2023-03-body-language-honest.html

Like, Italy will be the lie detector test.

Source: https://toofab.com/2023/01/17/channing-tatum-lie-detector-test-gi-joe-sequel/

The Detective has a magnifying glass in one hand and a lie detector test in the other.

Source: https://thewestsidegazette.com/bolo-jeff-jeptha-jepthah-jephthah/

The five-time nominee plays human lie detector turned investigating do-gooder Charlie Cale, in the show created by Rian Johnson.

Source: https://deadline.com/2023/10/maya-rudolph-natasha-lyonne-part-ways-animal-pictures-1235562846/