Last year, a mass grave containing 183 people was found in Tamaulipas, which is one of the most dangerous states in Mexico thanks to its proximity to the Texas border. The grave contained the bodies of migrants, tourists and civilians who were allegedly murdered by the powerful Los Zetas cartel, whose territory includes Tamaulipas and much of Mexico's east coast.
In the six years since President Felipe Calderon began his crackdown against drug trafficking, more than 50,000 people have died in Mexico.


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