An in-depth look at the prison system in the United States and how it reveals the nation's history of racial inequality.

Director: Ava DuVernay

Cast: Melina Abdullah, Michelle Alexander, Cory Booker, Dolores Canales, Gina Clayton, Jelani Cobb, Malkia Cyril, Angela Davis, Craig DeRoche, David Dinkins, Baz Dreisinger, Kevin Gannon, Henry Louis Gates, Marie Gottschalk, Newt Gingrich