found: Under the banner of heaven, 2004:back cover (Ron Lafferty)
found: Wikipedia, November 11, 2019(Utah v. Lafferty; Utah v. Lafferty was a 1984 murder case in the state of Utah; Ron Lafferty and his younger brother Dan were charged for the throat-slashing homicides of their sister-in-law Brenda Lafferty and her 15-month-old daughter, Erica, that occurred on July 24, 1984; Ron, a self-proclaimed prophet, claimed to have received a revelation from God in which he was instructed to "remove" several people including the two victims; Jon Krakauer's book, Under the Banner of Heaven, is primarily based upon interviews with Dan Lafferty; Ron Lafferty died in prison on November 11, 2019, as a result of natural causes)
found: The Salt Lake Tribune, via WWW, November 11, 2019(November 11, 2019 edition; Utah death row inmate Ron Lafferty dies of natural causes; Ron Lafferty, who spent 34 years on Utah's death row for the grisly murders of his sister-in-law and her baby daughter in 1984, died Monday [November 11, 2019] at the Utah State Prison; Ronald Watson Lafferty, age 78; died of naural causes)
found: Ronald Watson Lafferty v. State of Utah : brief of appellant, 2006:page 88 (Ronald Watson Lafferty, petitioner; born 4 November 1941 to Watson and Claudine Jones Lafferty)