Where To Stream American Experience Season 35 Episode 3

In the first decades of the 20th century, when scientific innovations were transforming life, researchers made a thrilling new claim: they could tell whether someone was lying by using a machine. Popularly known as the "lie detector," the device transformed police work, seized headlines, and was extolled in movies, TV, and comics as an infallible crime-fighting tool. Husbands and wives tested each other's fidelity. Corporations routinely tested employees' honesty, and government workers were...