A school bus arrives at a unification site following a shooting at the Antioch High School in Nashville, Tenn., Wednesday, Jan. 22, 2025. (AP Photo/George Walker IV) George Walker IV ...

The 17-year-old shooter, who was also a student at Antioch High School, later shot and killed himself with a handgun, Metro Nashville Police spokesperson Don Aaron said during a news conference.

The new signs, which feature a QR code, will go up in popular dumping spots. It will connect people to legal drop-off sites.