Investigators are focusing on what motivated a former Marine to ram a pickup truck into the sanctuary of a Church of Jesus Christ of Latter-day Saints in Michigan and open fire during a crowded service, killing four people while setting the building ablaze.

Officials said on Monday that everyone was accounted for after the Sunday morning attack that wounded eight others in Grand Blanc Township, about 60 miles north of Detroit.

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"We still are in the process of clearing out that church, but at this time, everyone is accounted for," Grand Blanc Township Police Chief Bill Renye said.

Eight patients were taken to Henry Ford Genesys on Sunday. Two remain in critical condition, Dr. Michael Danic, the medical chief of staff a

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