Alfredo Estrella /AFP/Getty Images
A Mexican special forces soldier keeps his identity hidden in Ciudad Juarez. In the year and a half since President Felipe Calderon launched a crackdown against drug gangs, about 4,100 people have died, the government says. At least 1,400 have been killed so far this year, including about 400 in Ciudad Juarez and 170 in Tijuana.
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