lie detector

What the lie detector said about you was reported at once.

Oh, one final thing before we get to the lie detector.

The other is a very specific sort of lie detector, and no home should be without one.

But it should have worked like a lie detector for her.

One day, with practice, he's going to be a human lie detector.

Here's an idea, a phone that works as a lie detector.

I said I'd check his story and asked if he'd take a lie detector on that.

He didn't need a son who was an emotional lie detector.

"Mind if I check you out on my lie detector?"

Through this he developed an early version of the lie detector.