In the wake of Fox Searchlight’s highly anticipated release of The Birth of Nation, the incredible story of Nat Turner’s slave revolt — and the mystery surrounding his remains after death — stays in the minds of viewers long after they’ve seen the film. The new movie, overshadowed by controversy surrounding previous rape allegations against the film’s lead actor, chronicles the life of Rev. Nathaniel Turner, an enslaved Black man who led one of the bloodiest slave insurrections in American history. In 1831, Turner and a small army of his fellow Black brethren fought their way through Virginia’s Southampton County,...