"A shocking massacre in 2019 sparks a probing investigation into the strange, violent history of a polygamist Mormon outpost in Mexico. A harmless, unassuming caravan of women and children was ambushed by masked gunmen in northern Mexico on November 4, 2019. In a massacre that produced international headlines, nine people were killed and five others gravely injured. The victims were members of the La Mora and LeBaron communities--fundamentalist Mormons...