A police officer asks for the documentation of a truck driver at a checkpoint near the limits of Mexico City and the State of Mexico January 24, 2014. On Thursday Mexico City's government deployed ... more 
A police officer asks for the documentation of a truck driver at a checkpoint near the limits of Mexico City and the State of Mexico January 24, 2014. On Thursday Mexico City's government deployed about 1,300 police agents to guard the access points to the city as part of the 'Shield Operation' in which they monitor suspicious vehicles in an effort to guarantee public safety after the increase violence in Michoacan, a state that has been shaken by conflict between a powerful drug gang and heavily armed vigilantes, local media reported. REUTERS/Tomas Bravo (MEXICO - Tags: SOCIETY CIVIL UNREST) less 
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Reuters | Photo By TOMAS BRAVO / REUTERS
Fri, Jan 24, 2014 8:43 PM EST