Operación Escorpión (Operation Scorpion), was a military operation conducted by the Mexican Secretariat of National Defense, from August 28 to October 31, 2011, in the states of Coahuila, Nuevo León, Tamaulipas and San Luis Potosí. The prime objective was to weaken the Zetas and Gulf cartels. During the operation, 75 attacks from the criminals were repelled.