In my first article in this series on the polygraph, I introduced a bit of history about the “lie detector.” Today I’ll review some of the applications of these devices in the 20th century. A report ...

The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

The polygraph test has been used for some time for things like interrogating suspects and screening government employees and police officers, but the exact science behind the polygraph is not so ...

Among the colorful, eccentric and often highly unethical characters who populate the history of the polygraph was the virtuous John Larson, who in 1920 was the only cop in America with a doctorate, ...

First of all, what is a lie detector? It’s also known as a polygraph test. In movies and TV shows, it is used to decide if a suspect is innocent or guilty. But it’s not quite that simple. Recommended ...

FARGO - Rollie Rust admits he wasn't a big believer in lie detectors before he went to polygraph testing school. But after more than three decades of quizzing suspects and other subjects for ...

ST. PAUL - It is well-known that polygraph testing - the infamous “lie detector” test - is not allowed as evidence in courtrooms because the tests generally are not reliable. But many convicted ...