Pablo Cote holds a photo of his deceased father of the same name in July 2013 in Tlaxcala, Mexico. Cote was kidnapped while driving back from the U.S. border to the east-central state of Tlaxcala. He was beaten to death, part of the mass killing of 193 bus passengers and other travelers by the Zetas. Ivan Pierre Aguirre/AP hide caption
Groups of rural and community police arrive in the city of Iguala on Tuesday to help in the search for 43 students who disappeared after a confrontation with local police on Sept. 26. Miguel Tovar/STF/LatinContent/Getty Images hide caption
Reny Pineda was born in Michoacan, Mexico, but grew up in Los Angeles. In 2010 he returned to his homeland, and joined a vigilante battle against a ruthless cartel ruling the region. Now the Mexican government has ordered the civilian militias to disband, and Pineda picks lemons in this orchard. Alan Ortega/KQED hide caption
Workers sort through key limes at a packaging house in Apatzingan, Michoacan. More than 90 percent of limes imported into the U.S. come from Mexico. Carrie Kahn/NPR hide caption
Sept. 1, 2010: Police stood guard by a truck containing some of the bodies of immigrants killed by members of the Zetas drug cartel in Tamaulipas state. Jorge Dan/Xinhua /Landov hide caption
Griselda Blanco, the "queen of cocaine," in a 2004 photo posted by the Florida Department of Corrections. Fla. Dept. of Corrections hide caption