Sergio Enrique Villarreal (aka "El Grande") of the Beltran Leyva drug cartel, one of Mexico's most wanted men, is presented to the press at the Mexican Navy headquarters in Mexico City, on September 13, 2010. Mexican authorities had offered a reward of up to 30 million pesos (2.2 million dollars) for information leading to his arrest. By Alfredo Estrella/AFP/Getty Images.