[JMitch1959]

The military is the most effective institution in Mexico in fighting the drug cartel thus far.
Here's an article on a successful strike against a cartel leader.

Successful Strike at Mexican Cartel
Dec. 17 (EIRNS)—The Mexican military now have in their possession the central financial files of the Beltran Leyva drug cartel, one of Mexico's biggest. The files were captured in a Navy commando assault yesterday on a luxury apartment building in the center of Cuernavaca—just an hour from Mexico City. That cartel's kingpin, Arturo Beltran Leyva, was killed in the firefight. The success emphasizes what could be done against the drug trade, were the current British stranglehold on Mexico broken