The books were key pieces of evidence in the sexual assault trial of Michael Jeff . Jeffs , a polygamist sect leader , was convicted of sexually assaulting a 12 and 15-year - old . Jeffs refers to her sexual encounters with him as ` ` heavenly sessions '' ' The Lord has commanded that my sons , all of my ladies be trained , '' Jeffs says .
The tapes were key pieces of evidence in the sexual assault trial of Warren Jeffs . Jeffs , a polygamist sect leader , was convicted of sexually assaulting a 12 and 15-year-old . Jeffs refers to having sexual relations with him as `` heavenly sessions '' 'The Lord has intended that my ladies , all of my ladies be trained , '' Jeffs says .