The medium-security prison located in the Mexican state of Zacatecas has inmates linked to Los Zetas, the Gulf Cartel, the Northeast Cartel, and the Sinaloa Cartel, as well as to the crime groups known as Los Paisas and Los Talibanes

Since 2011, at least 500 riots per year have been registered in state and federal prisons in Mexico. It is a problem authorities have been unable to control and that has left tens dead and injured