(CNN) — 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, killed two and injured at least eight others while opening fire on congregants of the Church of Jesus Christ of Latter-day Saints in Grand Blanc, Michigan. Sanford, who also allegedly set fire to the church, was killed in an exchange of gunfire with police, authorities said.

Authorities have provided no motive for the attack.

A Marine Corps spokesperson told CNN Sanford served as a sergeant and received several medals for his service, which lasted from 2004 to 2008. He was deployed during Operation Iraqi Freedom for several months starting in the summe

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