I can totally relate pandasn. Even when being truthfully honest I have repeatedly failed polygraph exams for multiple law enforcement agencies. The polygraph is a joke. I've never done any illegal drugs or drugs whatsoever and I was branded as a drug user/dealer by "failing" the illegal drug question. I also have failed because of the polygraph saying that I was being deceptive when it came to my criminal history and involvement with any serious crimes. It shouldn't be used at all but, the polygraph seems to have a cult following among bureaucrats and uneducated government officials