The Pentagon chief has pressed Mexico to intensify its fight against drug trafficking, warning that the U.S. may intervene if cartels continue to use advanced technology like drones and cross into American territory. This comes after U.S. congressmen raised concerns about the cartels' growing sophistication.

Esta advertencia surgió ante cuestionamientos de congresistas de ese país sobre la tecnificación de los carteles con el uso de drones e incursión en terreno estadounidense