Part 1 of the in-depth conversation with Joe Berlinger focuses on the infamous crime that shocked the nation and was chronicled in Truman Capote's seminal book, "In Cold Blood" – the November 15, 1959 brutal murder of four members of the Clutter family in their home in a small Kansas farming community, a crime seemingly without motive. Watch the full story in the true crime docu-series "Cold Blooded: The Clutter Family Murders," a true crime special event from SundanceTV.