FILE - In this Sept. 17, 2014, file photo, Colorado-based author Jon Krakauer speaks during an interview, in Denver. Krakauer wrote the book, "Under the Banner of Heaven," about a Utah prison inmate serving a life sentence for killing his family. According to police, the inmate received letters from a woman who was found dead, along with her husband and three children, due to a drug overdose. (AP Photo/Brennan Linsley, File)