The sheriff’s office’s 2006 budget will include a request for a newer, computerized polygraph machine, but Tuttle and Rusch hope to keep the older model, too. “This is absolutely a good instrument,” ...

A computerized polygraph machine is used in a simulated situation on Feb. 26, 2007, in Moscow. Photo by Dima Korotayev/Epsilon/Getty Images. Copy Link Share Share Comment ...

AVATAR looks for changes in the eyes, voice, posture, and more to determine truthfulness. Civil libertarians remain wary of the machine learning tech. From schlocky daytime TV (Did you cheat on ...

The polygraph test which involves hooking up people to a machine which reads the heart rate, facial tics and slight body movements, has helped convict criminals and root out spies for over a century.