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 your ...

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 ...

Here’s a video of Marston using a polygraph-like machine and claiming to identify the varying emotions of blonde, brunette and redheaded women. His conclusion was that redheads like to gamble, ...

The Pearl River County Sheriff's Department has a new polygraph machine and a deputy to use it.Marc Ogden joined the Pearl River County Sheriff's Department staff about two months ago and brings with ...

There's no foolproof way to prove that your sister actually stole your sunglasses, but polygraphs can sometimes do a pretty good job. Here's how to throw together a DIY polygraph machine with nothing ...

A creepy sex cult leader kept a polygraph machine in the New Jersey home where he is accused of manipulating Sarah Lawrence College students, a prosecutor revealed Tuesday. Assistant U.S. Attorney ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...