(Kim Raff | The Salt Lake Tribune) Author Jon Krakauer, writer of Under the Banner of Heaven, speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. Krakauer's book, Under the Banner of Heaven, is currently being adapted into a film. (Kim Raff | The Salt Lake Tribune) Private investigator and author of Prophet's Prey, Sam Brower speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. Prophet's Prey is a book investigating Warren Jeffs and the FLDS community. (Kim Raff | The Salt Lake Tribune) Private investigator and author of Prophet's Prey, Sam Brower speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. Prophet's Prey is a book investigating Warren Jeffs and the FLDS community. (Kim Raff | The Salt Lake Tribune) Shannon Costello, producer for the film adaptation of Under the Banner of Heaven, speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. (Kim Raff | The Salt Lake Tribune) Shannon Costello, producer for the film adaptation of Under the Banner of Heaven, speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Aug. 5, 2012. (Kim Raff | The Salt Lake Tribune) Private investigator and author of Prophet's Prey, Sam Brower speaks during a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. Prophet's Prey is a book investigating Warren Jeffs and the FLDS community. (Kim Raff | The Salt Lake Tribune) Copies of Under the Banner of Heaven are sold before a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012. (Kim Raff | The Salt Lake Tribune) Jon Krakauer signs books for (right) Rick Luskin and Loree DeYoung before he participated in a Utah Film Center panel discussion about adapting investigations into extreme religious groups into documentaries and dramatic fiction films at the Rose Wagner Performing Arts Center in Salt Lake City on Sunday, Aug. 5, 2012.