This undated photo released by Mexico's Attorney General's Office shows alleged Zeta drug cartel leader and founder Heriberto Lazcano Lazcano in an unknown location. Mexico's Navy says fingerprints confirm that cartel leader Lazcano, an army special forces deserter whose brutal paramilitary tactics helped define the devastating six-year war among Mexico's drug gangs and authorities, was killed Sunday, Oct. 7, 2012 in a firefight with marines in the northern state of Coahuila on the border with the Texas. (AP Photo/Mexico's Attorney General's Office)