Sinaloa , Gulf cartels battle for control of drug routes across U.S. border . The Mexican government recognizes seven cartels , but the Sinaloa and Gulf cartels are the major players along the U.S. border , according to the DEA agents , local police officials and security analysts who spoke with CNN . Score: 6 U.S. is doubling number of agents at border , spending $ 700 million . Agents , analysts compare situation to '90s battle against Colombian cartels .
Sinaloa , Gulf cartels battle for control of drug routes across U.S. border . Score: 6 U.S. is doubling number of agents at border , spending $ 700 million . Agents , analysts compare situation to '90s battle against Colombian cartels .