Collateral Damage: Mexico's modern city succumbs to drug violence

An overview and background of the deterioration of the City of Monterrey

Mexico's modern city succumbs to drug violence The Associated Press: "... drug violence has painted Monterrey with the look and feel of the gritty border 100 miles (160 kilometers) to the north as two former allies, the Gulf and Zetas gangs, fight for control of Mexico's third-largest — and wealthiest — city.
The deterioration happened nearly overnight, laying bare issues that plague the entire country: a lack of credible policing and the Mexican habit of looking the other way at the drug trade as long as it was orderly and peaceful." Nov. 25, 2010