Lie detector, invented by the Rev. Walter G. Summers, head of the department of psychology at the Fordham Graduate School and used on Major Greene before he confessed the murder of Mrs. Mary Case in her New York apartment. Above: Fr. Summers demonstrating the device, which employs silver contacts on the subject's hands to enable the electricity of the human body to be utilized to show emotional changes. At right: Close-up of contacts, and (below) a guilty "verdict."

Associated Press · [ca. January 1937]

[Information from item housing] Lie Detectors