A CHANCE TO PROVE
We honor Washington because he could not tell a lie. Mine is a much harder case; I can, but I won't.
-- MARK TWAIN
And it must follow, as the night of day, thou canst not then be false to any man.
-- SHAKESPEARE, Hamlet
Later on in this book I consider polygraphic interrogation from the point of view of the examiner, who wants to produce accurate results, and from the perspective of employers, the police, and the courts, who wish to make decisions based on those results. I also examine the lie detector industry from the viewpoint of the citizen and his elected representatives, who must be concerned with the impact on American society of the present rapid growth and outreach of this technology. But first, dear Reader, you should try to get a sense of what a lie detector test is like for the person being tested, whom I refer to variously as the subject or as the respondent. Let us set up a scenario in which you are the subject and I am the polygraph examiner. My files are replete with real-life examples we might