https://www.sltrib.com/news/2018/02/08/fundamentalist-prophets-were-preparing-for-the-end-of-the-world-police-say-and-muslim-invasion/?
John Colthrap and Samuel Schaffer, 34, "prophets" belonging to the FLDS offshoot Knights of the Crystal Blade, kidnapped and married each others' daughters, aged 8 and 4 and 7 and 4 respectively. Colthrap was also planning to kill his son, who he believed was an evil spirit. They were also anticipating an apocalypse brought upon by a Muslim Invasion of the US.