“Juan Carlos Sierra Santana, La Sopa, one of the seven brothers that heads the criminal organization Los Viagras ( Otis: also see Fuerzas Rurales Michoacan), lead by El Gordo Santana, was taken down Sunday afternoon during a confrontation with antagonistic groups in the limits of this town and Buenavista, informed sources from the SSP and the Army.”
Source: Borderland Beat: Juan Carlos Sierra Santana, leader of Los Viagras shot dead in confrontation