In this July 15, 2009, photo, a Tijuana police officer stands guard during an operation in Tijuana, Mexico. Mexican crime syndicates are spreading their tentacles as never before, using their trademark brutality to take over in places like Guatemala and even Colombia, long the heart of Latin America's drug world. In all, they now operate in 47 countries, according to transnational crime expert Edgardo Buscaglia, a professor at Mexico's Autonomous Institute of Technology.
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