Polygraph: boyfriend confesses all during polygraph test despite denying all on the way to the test, then tells girlfriend why he didn't just save her the cost of the lie detection services. Lie detector 'secrets' 126! REAL POLYGRAPH CASES. Afterwards, he tells her why he let her spend her money on a test. #polygraphsecrets #realpolygraphcases #polygraphsecretsdotcom #polygraph #liedetector #cheatingboyfriend #infidelity #polygraphexpert #liedetection #liedetectortest #confessions #relationship