Eighty years ago this week, inventor Leonarde Keeler proudly proclaimed his expert testimony before a Wisconsin jury to be “a signal victory for those who believe in scientific crime detection.” One ...

OKLAHOMA CITY (CN) - A federal indictment accuses a former Oklahoma City police officer of teaching customers of his polygraph business to lie and hide crimes to get federal jobs. A grand jury ...

Derry York, ex-cop and licensed polygraph examiner, offers this advice on his website: If you're going to lie, your best option is not to take the test. Don't waste time trying to learn how to beat ...

A former Oklahoma City police officer was indicted Thursday on accusations of teaching people to cheat on lie detector tests, the government announced Friday. The 69-year-old Norman, Oklahoma, man is ...

Judging by Doug Williams' business website, it doesn't look like he thought he had anything to hide. On Polygraph.com, Williams, a former officer with the Oklahoma City Police Department turned ...

Guess he couldn’t lie his way out of this one. A former Oklahoma law enforcement officer pleaded guilty Wednesday to obstruction of justice and mail fraud for running Polygraph.com, a service in which ...

Attorneys for Dr. Christine Blasey Ford, the woman who’s accused Supreme Court justice nominee Brett Kavanaugh of sexual assault, released the results of a polygraph test focused on the decades-old ...

A 69 year old Oklahoma man has been indicted by a federal grand jury for teaching customers how to beat polygraph tests, or lie detector tests, on his website Polygraph.com. Doug Williams, a former ...

Christopher Talbot thought he would make a great police officer. He was 29 years old, fit, and had a clean background record. Talbot had military experience, including a tour of Iraq as a US Marine, ...

The UK government recently announced it was planning to increase the use of polygraphs to monitor offenders on probation, specifically those convicted of terrorist offences. This is one of several new ...

OKLAHOMA CITY – A former Oklahoma City law enforcement officer is accused of training customers to lie and conceal crimes during polygraph examinations. Officials say 69-year-old Douglas Williams, ...