In the movie “Meet the Parents,” prospective groom Ben Stiller is first interrogated and then polygraphed by his soon to be father-in-law and former CIA spy catcher, Robert De Niro. He then provides ...

Detective Frank Wozniak, one of the Toronto Police Service's two forensic polygraph examiners, says it is customary to treat everyone coming in for a test as a truthful person. Yet sometimes even the ...