Add Yahoo as a preferred source to see more of our stories on Google. American inventor John Larson, right, demonstrates the operation of a polygraph at Northwestern University in Evanston, Illinois, ...

John Baesler, associate professor of history at Saginaw Valley State University, has written his first book, examining the topic of polygraph use during and after the Cold War. The book, "Clearer Than ...

The available evidence indicates that in the context of specific-incident investigation and with inexperienced examinees untrained in countermeasures, polygraph tests as currently used have value in ...

Getting your Trinity Audio player ready... Colorado has spent more than $5 million to administer polygraphs on convicted sex offenders over the last seven years despite concerns that the tests are so ...

Chris Gugas built a career on one simple human foible: the tendency to lie. A polygraph expert, Gugas spent decades ferreting out the truth using a lie detector test. The tests he administered helped ...

Brett Kavanaugh’s accuser, Christine Blasey Ford, passed a polygraph test before she came forward with her claim that he’d sexually assaulted her. This was, admittedly, to solidify her credibility in ...

"Even before the tremendous polygraph advancements, they were never considered per se unreliable in New Jersey," writes Frederick P. Sisto. Even before the tremendous polygraph advancements, they were ...

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 ...