Tells the story of the Dan and Ron Lafferty who killed their sister-in-law and niece on "commandment" of God. The brothers were Fundamentalist Mormons who received a "revelation" to kill their youngest brother's wife and daughter. Part 1 - Describes the brother's childhood and life up to the murders. Highlights their change from pious Mormons to religious fanatics. Details the death of Brenda and Erica Lafferty and the arrest of the fugitive brothers in a casino buffet line in Reno, Nevada. Twitter: @AndersonClay86Information - Under the Banner of Heaven: A Story of Violent Faith by Jon Krakauer