Broken Promise: The story of a man growing up in Bountiful and living under 'The One Man Rule.'

Born into the Fundamentalist Latter-Day Saint (FLDS) community of Bountiful, British Columbia, Jon Blackmore grew up believing that his church was the sole path to salvation, the only people destined to survive an impending apocalypse. But salvation required more than just faith. It also demanded perfect obedience to God's chosen representatives on Earth—the church's prophet and the local bishop.

Wielding absolute control over every aspect of their followers' lives—spiritually, socially, an...