In the first decades of the 20th century, when life was being transformed by scientific innovations, researchers made a thrilling new claim: they could tell whether someone was lying by using a ...

Leonarde and Katherine Keeler pose with the Keeler Polygraph machine, 1935. Courtesy Everett Collection. This article is the first in a series called A Thousand Words, where we feature an interesting ...

Introduction: Plotting the hyperbola of deception -- "A thieves' quarter, a devil's den": the birth of criminal man -- "A vast plain under a flaming sky": the ...

The story of the polygraph, the controversial device that transformed modern justice. Discover the story of the polygraph, the controversial device that transformed modern police work, seized ...

John Larson's original polygraph, a gift to the Smithsonian from the Berkeley Police Department, where Larson was the first rookie cop with a PhD. Cade Martin In order to catch liars, the ancient ...