Mexico has made more than 10,000 arrests over the past year in an effort to crack down on the drug trade in Mexican states along the border with the United States.
It’s been nearly a year since Mexico’s government launched Operation Northern Border, an initiative to highlight arrests and seizures of drugs and weapons in Mexico.
In that time, Mexico says law enforcement has arrested more than 10,000 people as part of the operation. It says it has also seized more than 7,000 firearms and more than 600 kilograms of fentanyl.
The operation has resulted in arrests and drug busts in the Mexican state of Sonora, which borders Arizona, including the arrests of three people in the first days of 2026.
Mexico started the operation in February, after threats from the Trump administration tying tariffs to drug flows across U.S. borders.
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The dip in the money immigrants send back to the country coincides with Trump administration immigration authority raids in the United States.
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Mexican Security Minister Omar García Harfuch said on social media Mexico has sent a total of 92 “high-impact criminals to the United States under the current Trump administration.
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Alejandro Rosales Castillo has been wanted for murder in North Carolina for nearly a decade.
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In a post, the State Department called Mexico’s progress on border security “unacceptable.” Meanwhile, Mexico’s president is calling on the United States to do more to stop the flow of firearms into her country.
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Arizona is considering pumping water from a desalination plant on the Gulf of California to boost its water supply, but would need buy-in from Mexico.