Drug trafficker Joaquin 'El Chapo' Guzman, in white, is seated in a helicopter with Mexican security forces in Mexico city, Mexico, on Saturday, Feb. 22, 2014. Mexico's apprehension of the world's most-wanted drug boss struck a blow to a cartel that local and U.S. authorities say swelled into a multinational empire, fueling killings around the world. Photographer: Susana Gonzalez/Bloomberg via Getty Images