Cause of death: Suicide
Barton was a spree killer who shot and killed 9 people on July 29, 1999 and injured 13 more including his son, wife, and daughter-his daughter, 8, was Mychelle Elizabeth Barton, his son, 11, Matthew David Barton, and his second wife, 27, Leigh Ann Vandiver Barton.
After Barton first murdered his second wife and two children with a hammer, and then shot and killed 9 people, injuring 13, he committed suicide by shooting himself 4 hours after both crimes.
He is also suspected of killing his first wife and her mother in 1993.
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