Nashville, Tennessee shooting: Alleged Antioch High School shooter posted photos just before opening fire, police say [Video]

NASHVILLE — A teenager who opened fire with a 9 mm pistol in his Nashville high school cafeteria fired a total of 10 shots within 17 seconds of entering the room, according to police.

Solomon Henderson, 17, had gone into a bathroom and posted photos to social media just before he went to the cafeteria and opened fire, police said.

Henderson shot and killed 16-year-old Josselin Corea Escalante and shot and wounded a 17-year-old boy at Antioch High School around 11 a.m. Wednesday, according to police.

Henderson died in the cafeteria from a self-inflicted gunshot wound to the head, police said.

The injured boy suffered a graze wound and was treated and released, police said.

Authorities are still investigating how Henderson obtained the pistol, Nashville police said Thursday.

The gun was purchased in Arizona in 2022 and was not reported stolen, police said.

No firearms or firearm parts were found during Wednesday’s …