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Emergency vehicles and personnel fill the parking lot outside a theater where a gunman wearing a surgical mask opened fire at a showing of the movie "Mad Max: Fury Road" in Antioch, Tennessee, Wednesday, Aug. 5, 2015. The gunman, who is believed to be Vincente Montano, was fatally shot by police. Reuters

The Nashville-area movie theater attacker is believed to be Vincente David Montano, 29, multiple law enforcement sources told the Tennessean Wednesday evening. Police are working to confirm more details about the man, who is said to be homeless.

Montano had been reported missing Monday, just two days before the shooting, Nashville police spokesman Don Aaron said at a Wednesday evening press conference. He also had a prior criminal record -- in 2004, he was arrested on an assault charge in Murfreesboro, Tennssee.

Aaron said Montano also had a history of mental illness and was committed for mental health care a total of four times, in 2004 and 2007.

Nashville police said they took a call around 1:13 p.m. CDT Wednesday regarding an active shooter. Officers responded to the scene and killed the suspect as he tried to go out the back door, reported CNN.

Montano allegedly went into the Antioch theater carrying two bags, a hatchet and sprayed pepper spray during a showing of "Mad Max: Fury Road." Only one moviegoer suffered wounds from the attack -- a minor cut on a shoulder from a hatchet.

This story will be updated as more information becomes available.

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