There are several situations in which you can be subjected to a polygraph test or lie detector. These tests can be a source of phenomenal anxiety, even for those who have nothing to hide and for good reason. Polygraph examinations are interrogations and it is very common for innocent people to miss them for no reason, denying them employment and making unfounded criminal charges. Fortunately, they are easy to cheat, follow these steps and take control of your interrogation.