events
Leonarde Keeler administers polygraph tests to two murder suspects, the first time polygraph evidence was admitted in U.S. courts.
Related Wikipedia articles
Leonarde Keeler
Co-inventor of the polygraph
Leonarde Keeler was an American inventor best known for co-inventing the polygraph. He was named after the polymath Leonardo da Vinci, and preferred to be called Nard. He was a Berkeley high school student and amateur magician. He was captivated by John Augustus Larson's…Source: Wikipedia (CC BY-SA)
Polygraph
Pseudoscientific device that attempts to infer lying
A polygraph, often incorrectly referred to as a lie detector test, is a pseudoscientific device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series…Source: Wikipedia (CC BY-SA)