When war broke out within the Sinaloa cartel, one of Mexico’s most powerful criminal organisations, people hoped it would last just a few months. “We have an enormous problem with gun trafficking by the Mexican drug cartels from Arizona down into Mexico,” Arizona’s attorney general, Kris Mayes, told the Guardian. “There is no doubt in my mind about that.”When Mexican authorities recover guns, they can submit the serial numbers to be traced by their US counterparts. View image in fullscreen Residents march through Culiacán, Sinaloa, Mexico, to demand an end to violence on 7 September 2025. “This is a change, because for many years, Tamaulipas on the Gulf coast was by far the state with most guns recovered,” said Lindsay-Poland.

Source: The Guardian March 24, 2026 19:12 UTC