Kyle Patrick Alvarez is an independent filmmaker whose 2013 film C.O.G. was nominated for the Grand Jury Prize in drama at Sundance, and who recently directed two episodes of Netflix original series 13 Reasons Why. He also directed The Stanford Prison Experiment, which premiered at Sundance and won the prestigious Alfred P. Sloan Award. Here he sits down with us to talk about how, after decades, the film finally got made.