A woman shows her nails decorated with marijuana leafs and images of narco patron saint Jesus Malverde in the northwestern city of Culiacan May 14, 2008. Violence has exploded in Mexico's drug smuggling heartland in a three-way battle between rival gangs and security forces, the biggest challenge yet to President Felipe Calderon's war against the cartels. About 300 people have died in drug murders so far this year in Sinaloa, an arid western state that serves as the home turf of one of Mexico's main drug gangs and where traffickers worship a bandit as their own patron saint. Picture taken May 14, 2008. REUTERS/Mica Rosenberg (MEXICO)
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