FILE - Attorneys Joshua Koskoff, left, and Christopher Mattei, right, representing parents, rear, of children killed in the 2012 Sandy Hook Elementary School shooting, speak outside the Connecticut Supreme Court, Sept. 26, 2019, in Hartford, Conn. (AP Photo/Dave Collins, File)

Students discuss ways to prevent school shootings during a presentation of Sandy Hook Promise's "Say Something" program at Hanover High School, Wednesday, March 25, 2026, in Hanover, Mass. (AP Photo/Robert F. Bukaty)

Keely Rogers, a trainer with Sandy Hook Promise's "Say Something" program, gives a presentation on preventing school shootings at Hanover High School, Wednesday, March 25, 2026, in Hanover, Mass. (AP Photo/Robert F. Bukaty)

School Resource Officer John Voelkel speaks about ways to prevent school shootings during a presentation of Sandy Hook Promise's "Say Something" program at Hanover High School, Wednesday, March 25, 2026, in Hanover, Mass. (AP Photo/Robert F. Bukaty)

Ava Khouri, a Hanover High School senior who has trained middle school students to take initiatives to stop harmful behavior, poses in a hallway Wednesday, March 25, 2026, in Hanover, Mass. (AP Photo/Robert F. Bukaty)

Students enjoy a light moment outside Hanover High School, Wednesday, March 25, 2026, in Hanover, Mass. (AP Photo/Robert F. Bukaty)

FILE - Photos of Brown University shooting victims Mukhammad Aziz Umurzokov, left, and Ella Cook, are seen amongst flowers at a makeshift memorial at the school's Van Wickle Gate, Dec. 17, 2025, in Providence, R.I. (AP Photo/Robert F. Bukaty, File)

FILE - The U.S. flag flies at half-staff on the Main Green in honor of the victims of the campus shooting at Brown University, Dec. 17, 2025, in Providence, R.I. (AP Photo/Robert F. Bukaty, File)