Mexico says drug lord taken down by accident

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 Attorney General's Office)The Mexican navy says a team of marines had no idea that they had killed the leader of the country's most-feared drug cartel in a gunfight that erupted when they tried to search a group of suspicious men outside a baseball stadium.