MADISON, Wis. — The motive for a shooting that killed a teacher and a student and wounded others at a Wisconsin school appears to be a “combination of factors,” a police chief said Tuesday as he appealed to the public to share what they might know about the 15-year-old girl who attacked a study hall before shooting herself.
Madison Police Chief Shon Barnes offered no details about a possible motive, though he said bullying at Abundant Life Christian School would be investigated.
Barnes said police are investigating writings that may have been penned by Natalie Rupnow and could shed light on her actions.
“Identifying a motive is our top priority, but at this time it appears that the motive is a combination of factors,” the chief told reporters.
Barnes gave the number to a tip line for anyone who might have known the shooter and her feelings.
“There are always signs of a school shooting before it occurred. We're looking into her online activity,” he said.
Besides the deaths, six people were wounded, including two students who remain in critical condition. The shooter died of a self-inflicted gunshot.
Barnes made remarks at a news conference but left without taking questions from reporters, leaving the Madison mayor and Dane County executive to face the media. They declined to disclose the names of the victims.
“Leave them alone,” Mayor Satya Rhodes-Conway snapped.
Abundant Life is a nondenominational Christian school — prekindergarten through high school — with approximately 420 students in Madison, the state capital.
Mackenzie Truitt, 24, placed a red poinsettia plant at the school to honor the victims Tuesday. She said her brother is a graduate and some of his friends were wounded.
“My heart sunk because I know how awesome a lot of these kids are,” Truitt said. “I know how scared everybody was. Couldn’t get a hold of certain people. Just really scary having to deal with that.”
Barbara Wiers, the school's director of elementary and school relations, said when they practice safety routines, leaders always announce that it's a drill. That didn’t happen Monday, the last week before Christmas break.
“When they heard, ‘lockdown, lockdown,’ they knew it was real,” she said.
Wiers said the school does not have metal detectors but uses cameras and other security measures.
Barnes said police were talking with the shooter’s father and other family members, who were cooperating, and searching the shooter's home.
The shooter's parents, who are divorced, jointly shared custody of their child, but the shooter primarily lived with her 42-year-old father, according to court documents.
Barnes said the first 911 call to report an active shooter came in shortly before 11 a.m. from a second-grade teacher — not a second-grade student as he reported publicly Monday.
First responders who were in training just 3 miles (about 5 kilometers) away dashed to the school for an actual emergency, Barnes said. They arrived three minutes after the initial call.
Investigators believe the shooter used a 9mm pistol, a law enforcement official told The Associated Press. The official spoke on the condition of anonymity because they were not authorized to discuss the ongoing investigation.
Children and families were reunited at a health clinic about a mile (1.6 kilometers) from the school. Parents pressed children against their chests while others squeezed hands and shoulders as they walked side by side.
Bethany Highman, the mother of a student, rushed to the school and learned over FaceTime that her daughter was OK.
“As soon as it happened, your world stops for a minute. Nothing else matters,” Highman said. “There’s nobody around you. You just bolt for the door and try to do everything you can as a parent to be with your kids.”
In a statement, President Joe Biden cited the tragedy in calling on Congress to pass universal background checks, a national red flag law and certain gun restrictions.
“We can never accept senseless violence that traumatizes children, their families, and tears entire communities apart,” Biden said.
Wisconsin Gov. Tony Evers said it's “unthinkable” that a child or teacher would go to school and never return home.
The school shooting was the latest among dozens across the U.S. in recent years, including especially deadly ones in Newtown, Connecticut; Parkland, Florida; and Uvalde, Texas.
The shootings have set off fervent debates about gun control and frayed the nerves of parents whose children are growing up accustomed to doing active shooter drills in their classrooms. But school shootings have done little to move the needle on national gun laws.
Firearms were the leading cause of death among children in 2020 and 2021, according to KFF, a nonprofit that researches health care issues.
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Associated Press writers Alanna Durkin Richer, Ed White, Josh Funk, Devi Shastri, Hallie Golden and Ryan Foley and photographer Morry Gash contributed to this report.