Mexican Cartels Overwhelm Police With Ammunition Made for the U.S. Military NYT Par :Ben Dooley · Isabella Cota and Emiliano Rodríguez Mega 7 février 2026 à 11:00 Drug syndicates have used .50-caliber ammunition, produced at a plant owned by the U.S. Army and then smuggled across the border, in attacks on Mexican civilians and police. © Eduardo Verdugo/Associated PressFour police officers, two civilians and 19 cartel members died during a 2019 gun battle in the Mexican town of Villa Unión.