Hoop Dreams (1994) Photo: Fine Line Features/Everett Collection HBO has long been a pioneer in nonfiction storytelling. From series like Paradise Lost to The Jinx, it has led the way in true-crime documentaries, and the network commonly picked up acclaimed ones from Sundance, SXSW, and other film festivals. Add in the Criterion section of Max’s programming, and the streaming service arguably has the richest nonfiction-film database anywhere. It was incredibly difficult to narrow this list down to 20 films, and we will update it regularly with new offerings as they cycle through the revolving door of Max. Every single one...