A fatal attack on a Latter-day Saints church in Michigan has revealed new details about gunman Thomas Jacob Sanford. Sanford drove his vehicle into the church, started a fire, and opened fire with an assault rifle, killing at least four people and injuring eight. He was a U.S. Marine veteran who reportedly expressed hatred for the Mormon faith. Authorities are investigating the motive and premeditation behind the attack.

Prepared by Emily Rhodes and reviewed by editorial team.