Warning: This story contains graphic images.
Police stand near the car where the body of a 13-year-old boy lies dead, one of numerous murders over a 24-hour period in Juarez on March 25. Check out GlobalPost's special project on Ciudad Juarez, the most murderous city in the world. (Spencer Platt/Getty Images)
Ciudad Juarez recorded 3,000 homicides this year, making 2010 the deadliest year ever in the border city.
The Mexican army burns 134 tons marijuana in the border town of Tijuana on Oct. 20. More than 10,000 packages of marijuana were seized in the largest confiscation in recent years. (Francisco Vega/AFP/Getty Images)
Mexican Marines survey the site of a shooting where two men were gunned down in the municipality of San Nicolas on April 21. More than 50,000 troops and federal police are involved in fighting the drug gangs. Watch a video as GlobalPost reporter Ioan Grillo joins soldiers on the front lines. (Tomas Bravo/Reuters)
The border between Nogales, Sonora and Nogales, Ariz. GlobalPost photographer David Rochkind traveled the border area, documenting the quiet, daily dramas of life during Mexico's violent drug war. (David Rochkind/GlobalPost)
Four corpses lie on the floor of a house in Acapulco on Sept. 23. More than 30,000 people have died in drug-related violence since Calderon declared war on the drug cartels in December 2006. (Pedro Pardo/AFP/Getty Images)