NASHVILLE, Tenn. (WSMV) - Update: WSMV4 Investigates has confirmed with the Metro Nashville Police Department that two guns were removed from the home of Antioch High School shooter Solomon Henderson in 2023. An MNPD spokesman confirms that the two guns belonged to adults and have remained in the department’s property room since then.

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

Multiple threatening messages began circulating online after a 17-year-old student walked into Antioch High School’s cafeteria and shot two fellow students, killing one of them, on Wednesday. The latest was an online post threatening to shoot up six Nashville-area middle schools.

Police responded to a shooting at Antioch High School in Nashville, Tennessee. Police told CBS News the shooting happened in the school cafeteria.

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 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.

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.

Metro Police reveal new details on what happened before and during the deadly shooting at Antioch High School. FOX 17 News sits down with a student witness.

Nashville police and schools are monitoring social media discussion and concerns Thursday as people speculate if additional schools could be targeted after a 17-year-old student opened fire Wednesday at Antioch High School, killing himself and a 16-year-old girl while injuring another, officials said.

Analysts with the ADL Center on Extremism "have located a manifesto and social media accounts believed to belong to the shooter, where he shared a range of incel, accelerationist, white supremacist, antisemitic & anti-Black content," the organization wrote in a Wednesday post on X (formerly Twitter ).