Tiller chats with director Mark Lewis about his hit Netflix documentary "Don't F**k with Cats: Hunting an Internet Killer", the hilarious yet harrowing tale of a widespread Internet group of animal lovers who came together to capture a murderer. Their conversation touches on Mark's fascination with true crime and the power of Internet sleuths (3:30), then goes deeper into how Mark and Tiller earn the trust of their interview subjects (17:00), until finally revealing how much films change in post (32:00) and what they believe is the true essence of documentary filmmaking (57:40).