There's a line I love in Conan The Barbarian where someone says, "That used to be another snake cult, now I see it everywhere." That's certainly true of documentaries. I wouldn't say it's ubiquitous, but it's become close to ubiquitous. It's everywhere.

I envy certain writers, because there are writers who do go into a kind of different zone, where the writing isn't controlled anymore.

I've always loved [Elsa Dorfman] work. I've loved her and her work is so much an expression of her. One of the reasons to make the film is to expose Elsa, hopefully, to a wider audience.

Maybe existence is ultimately a lonely thing.

Basically, "Making a Murderer" chronicles a set of crimes committed in Wisconsin: Manitowoc, Wisconsin. The first crime is a miscarriage of justice. Steven Avery is convicted and sentenced to a very, very long prison sentence for the assault on a woman. And it comes to light through DNA evidence that he was not the assailant.

Twenty to thirty years ago, who was making documentary films? Nobody. Well, relatively few people. It was an art form that had limited theatrical distribution, if any at all. Some television distribution, but relatively small audiences regardless. And in the intervening years it's become more and more popular with a lot of people.

There is only one direction. (Down.) There is only one color. (Black.) And there is only one number (Zero.)