Why It Is So Difficult to Stop the Flow of Fentanyl Into the U.S.
New York Times
Stopping fentanyl from entering the United States presents major challenges, raising the question of what Mexico can actually do to meet President Trump’s demands in order to avoid tariffs.
https://www.nytimes.com/2025/02/06/world/americas/mexico-fentanyl-cartels-trump.html