Study: 80 percent of murders unpunished in Mexico

Associated Press: "Four out of five homicides go unpunished in Mexico, in part because prosecutors and police focus on less serious cases that are easier to solve, a Mexican think tank's report said Monday.

That leads to extreme situations like the northern border state of Chihuahua, where researchers found 96.4 percent of killings go unpunished, based on comparisons of the annual rates for murders and convictions in 2010. That compares to what the study calls an unenviably high nationwide average of around 80 percent." read more