Policemen guard the site where a tunnel, connected to the Altiplano Federal Penitentiary and used by drug lord Joaquin 'El Chapo' Guzman to escape, was located in Almoloya de Juarez, on the outskirts of Mexico City, July 12, 2015. PHOTO BY REUTERS/Tomas Bravo
By Dave Graham and Alexandra Alper
14/07/2015