The Lie Detector begins in the first decades of the 20th century, when life was being transformed by scientific innovations, researchers made a thrilling new
Author Amit Katwala says in his new book, Tremors in the Blood, that for all the immense harm they can cause, lie detectors, or polygraphs , are not and never have been reliable.
Amit Katwala's thorough history of the lie detector test looks at its inventors and some of its earliest cases, placing it, warts and all, in its historical and scientific context