Drug cartel's Networks through Mexico

http://www.google.com/imgres?imgurl=http://truthalliance.net/Portals/0/Archive/images/news/2011/08/drug-cartels.jpg&imgrefurl=http://truthalliance.net/Archive/News/tabid/67/ID/8096/Reports-CIA-Working-with-Mexican-Drug-Cartels.aspx&h=570&w=800&sz=159&tbnid=TMDag9Jun63agM:&tbnh=93&tbnw=131&prev=/search%3Fq%3Dmexico%2Bdrug%2Bcartels%26tbm%3Disch%26tbo%3Du&zoom=1&q=mexico+drug+cartels&usg=__vpzJkv4C-4shzLo-gNxHCga_SFA=&docid=irHJ_cgUikIAGM&sa=X&ei=6UGJUsqkHOfK2wXMyYC4AQ&ved=0CEMQ9QEwBQ