Think of my movies as heightening our awareness, not confusing the difference between truth and fiction, but heightening our awareness of how confused we can become about what is real.

The imprimatur of truthfulness does not guarantee truthfulness. People should know better. But they don't.

In the case of The Thin Blue Line, I was surprised actually by many things. I was shooting down in Texas where the actual killer David Harris lived and I interviewed the town cop. He described these guys as being David Harris' partners in crime and even though they had criminal records and had committed crimes, they sued me! More often than not, the insurance company that protects you against this type of lawsuit will settle it with cash and contest it in a court of law.

When you start talking about the known knowns and the unknown unknowns, you're thrown into a crazy meta-level discussion. Do I know what I know, do I know what I don't know, do I know what I don't know I don't know. It becomes a strange, Lewis Carroll - like nursery rhyme.

But there's a big difference between, say, reporting on a story and simply making up a story.

I'm really interested in self-deception. Really interested in how people live in bubble universes. How people can fail to see the seemingly obvious.

We live in a very litigious society. I've never sued anybody. I certainly can imagine a situation where I might sue, but it seems more or less in bad taste.