What we know about Michigan church shooter Thomas Sanford

 Thomas Jacob Sanford, the suspect in Sunday morning’s mass shooting at a Michigan church, was an Iraq War veteran and outdoorsman, according to military records and social media posts.

Police say Sanford, 40, of Burton, Michigan, rammed his pickup truck into the front of the Church of Jesus Christ of Latter-day Saints in Grand Blanc before shooting at congregants with an assault rifle and, at some point, setting the building on fire. At least four people were killed and eight injured. Sanford died during an exchange of gunfire with police, authorities said.

Authorities have provided no motive for the attack