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.

The suspected shooter who killed one student at a high school in Nashville on Tuesday has been identified as Solomon Henderson, 17.

"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.

NASHVILLE, Tenn. (AP) — A shooting in a Nashville high school cafeteria Wednesday left a female student dead and another student wounded, nearly two years after another deadly school shooting in the city that ignited an emotional debate about gun control in Tennessee.

Superintendent for Metro Nashville Public Schools Adrienne Battle said the school uses a weapons detection system called Omnilert.

Police said the suspected shooter sustained a self-inflicted gunshot wound and the school district said Antioch High School is on lockdown.

Gunfire erupted just after 11 a.m. Wednesday at Antioch High School – about 45 minutes southeast of downtown Nashville – when 17-year-old Solomon Henderson “confronted” the victim before firing

A student shot at least two other students Wednesday at Antioch High School outside Nashville, Tennessee, police said. The shooter then shot himself, according to police.

Mayor Freddie O'Connell on Thursday announced a new Community Foundation of Middle Tennessee fund for victims in the Antioch High shooting.

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

A 17-year-old boy armed with a pistol, identified by authorities as Solomon Henderson, fired several shots in the cafeteria. A female student, 16-year-old Josselin Corea Escalante, was killed and a boy was grazed on his arm. Henderson then shot himself in the head and was fatally wounded.