Omar García Harfuch is overseeing one of the most aggressive offensives in years against Mexico’s powerful criminal groups. Many before him have failed.

© Luis Antonio Rojas for The New York Times

The tariffs will apply to goods from China and other nations. Washington has been pressuring Mexico to move away from dealing with China.

Cartel extortion is pushing up prices in Mexico — and becoming a political problem President Claudia Sheinbaum can’t ignore.