Canadian newspaper, National Post, compiled information from 2011's U.S. National Drug Intelligence Center Report into a very interesting infographic on the scope of Mexican drug cartels. For years, Mexico has been plagued with violence as a result of competing cartels and government inefficiency. Although recent reports put murders down 15-20% in the first 6 months of 2012, the incoming Mexican President Enrique Peña Nieto will have his work cut out for him.