Police have identified the gunman, who killed five people and put 10 others in the hospital in Rancho Tehama on Tuesday, as Kevin Janson Neal, 43. Tehama County Assistant Sheriff Phil Johnston said Neal had assembled two semi-automatic rifles he used, adding that they were "obtained in an illegal manner."

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It was initially thought that five people had died in the incident, including Neal. But Johnston said in an update on Wednesday that an additional body had been found — Neal's wife. He said that her body was found under the floor in Neal's home, and that police believe it's "what started this whole event."

"I think he had a desire to kill as many people as he could," Johnston said.

A California Highway Patrol officer speaks to a woman while blocking off a road to traffic after a shooting on November 14, 2017, in Rancho Tehama. Four people were killed and nearly a dozen were wounded, including several children, when a gunman went on a rampage at multiple locations, including a school. (Elijah Nouvelage/AFP/Getty Images)

"It is monumental that that school went on lockdown," Johnston said of Rancho Tehama Elementary's quick response to the crisis. He added that the school would have been "a bloodbath" if Neal had been able to get inside.

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Johnston urged other schools to practice their lockdown procedures.

"We live in an age where we don't know," he said.

Authorities are still picking through the seven crime scenes the rampage left behind in Rancho Tehama, including the local elementary school. As they do so, a few key facets of the chaotic day are beginning to become more clear: the motive behind the seemingly random shooting — and how the decisive actions of the school's staff saved a terrible day from becoming something much worse.

FBI agents are seen behind yellow crime scene tape outside Rancho Tehama Elementary School after a shooting in the morning on November 14, 2017, in Rancho Tehama. (Elijah Nouvelage/AFP/Getty Images)

"All of the staff performed heroically," Richard Fitzpatrick, the superintendent of Corning Union Elementary School District, told local media. Hearing the gunshots of the approaching shooter roughly a quarter-mile away, the adults at Rancho Tehama Elementary School ushered their young students into the building and locked down the school "flawlessly and quickly."

There, they lay huddled as the gunman stepped out of the vehicle he'd rammed into the front gate and walked into the school's quad. With the doors locked on him, he instead fired his semiautomatic weapon on the school from outside.

A mug shot of Kevin Neal from the Tehama County Sheriff's Office. (Tehama County Sheriff's Office)

"Our head custodian as well as our school secretary put themselves in harm's way during the course of this situation — but indeed, all of our teachers and all of our staff were in harm's way," Fitzpatrick said. "There were bullets going through windows and there were bullets going through walls. And their teachers kept their kids calm, kept them on the floor, and kept them as safe and secure as possible."

Not including minor injuries from broken glass, just one student was wounded by gunfire, Fitzpatrick said, adding that the injured student is now in stable condition.

"I cannot say enough about their heart and about their bravery," Fitzpatrick said of the school staff.

The school was not the only place in Rancho Tehama terrorized by the shooter, who also killed three people in his neighborhood before stealing a vehicle and driving toward the school. He fired apparently at random at other people on the road there.

A Tehama County Coroner's van enters the Rancho Tehama Elementary school grounds after a shooting on November 14, 2017, in Rancho Tehama. (Elijah Nouvelage/AFP/Getty Images)

After announcing the new death toll Wednesday, Johnston added that there could also be other injuries that haven't been reported. Of the residents where the shootings took place in Rancho Tehama, he said, "They need to check on each other, they need to check on their neighbors. Because this individual was literally going up and down the road shooting at random structures."

Referring to video footage taken at the school, Johnson said it seemed that Neal had grown frustrated.

After roughly six minutes firing at the classrooms, he left and continued his rampage back along the road he came from before law enforcement officers finally shot and killed him in his vehicle.

"He chased people with his vehicle, shooting at them," Johnston said.

All told, the shootings lasted about 45 minutes. Citing police phone records, Johnston said that the first call to dispatch had come in at 7:54 a.m. — and that the call for an officer-involved shooting came in at 8:19 a.m.

Johnston noted Tuesday that one of the gunman's first victims was a neighbor, who allegedly had been assaulted by the gunman in January and had taken out a restraining order on him. The Sacramento Bee explains how it identified Neal from this information:

"Neal was initially jailed in late January in the assault case and was being held on $160,000 bail, according to the Red Bluff Daily News. In April, the district attorney's office charged him with assaulting a second woman, also in late January, according to Tehama County Superior Court records."

Law enforcement officers and investigators converse near a police vehicle that was involved in the Rancho Tehama shooting. (Elijah Nouvelage/AFP/Getty Images)

"Gregg Cohen, the Tehama district attorney, told The Bee that his office was prosecuting Neal on charges related to a stabbing and assault with a deadly weapon involving two of his neighbors."

On Wednesday, Cohen said that Neal had been out on bail at the time of the shooting, having "immediately" made bail in the assault case.

Reached by the AP, Neal's mother said her son had called her just the day before the shooting, sounding distressed about an ongoing dispute with his neighbors and telling her "it's all over now."

"All of a sudden, now I'm on a cliff and there's nowhere to go," he told her, as she recalled to the AP. She said her son, reportedly a marijuana farmer, believed his neighbors were cooking methamphetamine and that the fumes were harming his dogs.

"No matter where I go for help here, I get nobody who will help me," she said he told her. "All they are doing is trying to execute me here."

Neighbor Cristal Caravez told the wire service at least part of the dispute arose from the sounds of gunfire coming from Neal's property at all hours — which she said she and her father reported to the sheriff, only to find "the sheriff wouldn't do anything about it" and would refer the matter back to the homeowners situation.

"You could hear the yelling. He'd go off the hinges," she said of the gunfire. "It would be during the day, during the night, I mean, it didn't matter."

Neal's sister, Sheridan Orr, who also spoke to the AP, said her brother had "no business" owning firearms. She noted that he had struggled with mental illness and an occasionally violent temper.

It is as yet unclear whether the terms of Neal's bail prohibited him from owning guns.

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Orr added: "If we can do any good to make people realize there must be some gates on people like this from getting guns — this is the same story we're hearing more and more."

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

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