(KLZA)-- Three inmates at the Tecumseh State Correctional Institution have been arrested for the roles they played in an assault on several Nebraska Department of Correctional Services workers in 2023.

33-year-old Eric Ramirez, 39-year-old John Meyers, and 23-year-old Jonathan Gonzalez Salas were arrested Tuesday by investigators with the Nebraska State Patrol.

On May 31, 2023, the inmates attacked staff members at the Reception and Treatment Center in Lincoln. According to NSP, the inmates used manufactured weapons in the attack and severely injured five staff members.

Ramirez was charged with attempted first-degree murder, use of a deadly weapon to commit a felony, first-degree assault on an officer, second-degree assault on an officer and terroristic threats.

Meyers was charged with attempted first-degree murder, use of a deadly weapon to commit a felony, attempted second-degree assault on an officer and terroristic threats.

Gonzalez Salas was charged with attempted first-degree murder, third-degree assault on an officer and terroristic threats.