Law enforcement officials seeking a motive for a shooting at Nashville’s Antioch High School on Wednesday morning are examining alarming social media posts and writings tied to a teenager police say shot and killed a 16-year-old girl.

"Based on the location of the shooter and the position of the weapon, it did not activate the system," a district official told the USA TODAY Network.

I graduated from Antioch High School. It's a great school in a great community. The hate it receives, especially after the tragic shooting, must stop.

Two people were shot before the shooter turned the gun on themselves at Antioch High School in Nashville, Wednesday, according to officials.

Students at Antioch High School are opening up about the scenes of panic that unfolded inside the building during the shooting; a victim's family is speaking out.

A teenager opened fire at Antioch High School Wednesday killing a student and leaving a mourning community that has already seen two mass shooting incidents in recent years.

One student is dead and another is wounded after a third student opened fire with a pistol Wednesday at Antioch High School in Nashville, Tennessee, police said. The 17-year-old shooter then shot himself and died, according to police.

Students and parents described a scene of chaos, confusion, and terror during the deadly shooting at Antioch High School on Wednesday.

The deadly shooting is the latest to rock the Nashville community nearly two years after another school massacre sparked a debate for gun reform.

Antioch High School is located in Nashville's Antioch neighborhood, approximately 17 miles southeast of Downtown Nashville.

As the news unfolded of a deadly shooting in the cafeteria at Antioch High School on Wednesday morning, one student witness gave her account.