With the news that Martin Scorcese's "Killers of the Flower Moon" made a huge splash at the Cannes Film Festival, it's a good time to hear Michael's conversation with the author of the book that the movie - due in theatres in October 2023 - is based on. Listen here to David Grann, New York Times Bestselling author of "Killers of the Flower Moon: The Osage Murders and the Birth of the FBI." Original air date 28 May 2017. The book was published on 18 April 2017.