Former Mexican municipal police officer Jorge Eduardo Costilla Sanchez (C), also known as "El Coss", detained by the Mexican marines is seen during his presentation to the press in Mexico City, capital of Mexico, on Sept. 13, 2012. Jorge Eduardo Costilla Sanchez, identified by the Mexican Secretariat of the Navy as leader of the Gulf Cartel criminal organization, was arrested along with 10 other people in Tampico, Tamaulipas, Mexico. (Xinhua/Pedro Mera)