Metro Schools is doing a trial run of the weapon detection system at Antioch High School and said it could expand to other schools.

The MNPD announced the addition Monday and said it would be effective starting Tuesday, which is the first day back for students following a deadly shooting at the school last week.

The shooter was “significantly influenced by web-based material, especially that found on non-traditional sites that most would find harmful and objectionable,” police said.

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.

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.

Metro Public School leaders are trying to reassure the public after the Antioch High School shooting, but it exposed inadequate safety.

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

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

Tuesday’s goal, according to the students leading the rally, was to create a space where mental health was prioritized with grief counseling and community building activities.

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

Antioch High School ... the bus to school on Wednesday, they said Thursday that the initial report was incorrect and his mother had taken him. As part of their update, Nashville Police also ...