Family members wait in line to be reunited with their loved ones at the Mansfield Center for the Performing Arts after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

Law enforcement officers walk as they secure the school grounds after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Family members walk out of the Mansfield Center for Performing Arts after being reunited after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Family members walk out of the Mansfield Center for Performing Arts after being reunited after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Family members wait in line to be reunited with their loved ones at the Mansfield Center for the Performing Arts after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

Timberview Chemistry teacher Blake Wade embraces his wife Stephanie and daughter Keeley as they are reunited at Mansfield Center for Performing Arts after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Natasha and daughter Natalie walk out of the Mansfield Center for Performing Arts after being reunited after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Ahmed Hammoodi greets his daughter Zahraa outside the Mansfield Center for Performing Arts after being reunited after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Family members wait in line to be reunited with their loved ones at Mansfield Center for the Performing Arts after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

Law enforcement officers secure the school grounds after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Law enforcement officers walk as they secure the school grounds after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.

Stephanie hugs her husband Blake Wade, a Timberview Chemistry teacher, as they are reunited at the Mansfield Center for the Performing Arts after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

A law enforcement officer walks at the Mansfield Center for the Performing Arts to be reunited with their loved ones after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

Family members of students and media wait for news as the law enforcement officers secure the school grounds after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S., October 6, 2021.

Mark Stance walk out with his son Chris from the Mansfield Center for Performing Arts after being reunited after a shooting at Mansfield Timberview High School in Arlington, Texas, U.S. October 6, 2021.