During the tariff showdown, the U.S. pledged to stem the smuggling of weapons into Mexico. But this will be no easy task.

The Barrett, designed to pierce armor plating ... Zúñiga had paid $57,000 to have the gun customized, according to Mexico’s ...

Mexico is plagued by violent crime linked to the multibillion-dollar illegal drug trade. In 2023, the country recorded 31,062 homicides, 70 percent of which were caused by firearms, according to ...