The use of the polygraph has done little more than create confusion, ambiguity and mistakes.

Espionage, for the most part, involves finding a person who knows something or has something that you can induce them secretly to give to you. That almost always involves a betrayal of trust.

I could have stopped it after they paid me the $50,000. I wouldn't even have had to go on to do more than I already had: just the double agents' names that I gave.

The Soviet Union did not achieve victory over the West, so was my information inadequate to help them to victory, or did it play no particular role in their failure to achieve victory?

The national security state has many unfair and cruel weapons in its arsenal, but that of junk science is one which can be fought and perhaps defeated.

The human spy, in terms of the American espionage effort, had never been terribly pertinent.

By the late '70s I had come to question the point of a great deal of what we were doing, in terms of the CIA's overall charter.