Gun traffickers have quietly moved what they say is an unprecedented number of weapons from the United States to Mexico. Our reporter Paulina Villegas followed the trail of these guns.
By Paulina Villegas, Rebecca Suner, Jon Miller, Gabriel Blanco, Joey Sendaydiego, Stephanie Swart, Paul Ratje for The New York Times and Guillermo Alvarez
March 17, 2026
