Authorities identified Salvador Ramos as the shooter who opened fire in Uvalde Elementry’s school on Tuesday.

The 18-year-old shot and killed at least 19 students and two teachers. Texas Gov. Greg Abbott identified Ramos as the shooter and said the Uvalde local entered the school grounds and proceeded to open fire. Abbott also said the shooter is dead and is believed to have acted alone. Uvalde Mayor Don McLaughlin told that during the shooting, Ramos became barricaded inside the elementary school. An agent with the Border Patrol Tactical Unit (BORTAC), is believed to have shot and killed the suspected gunman. Two officers were shot and wounded on the scene but were expected to survive.

Annabelle Guadalupe Rodriguez, 10, and Elijah Cruz Torres, also 10 are still missing.