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DEA Announces 617 Arrests in Global Sinaloa Cartel Sweep as Mexico Reports Major Seizures

Officials point to cartel infighting and sustained enforcement as factors in a sharp drop in fentanyl seizures at the U.S. border.

Overview

  • The DEA said a five‑day operation from August 25–29 led to 617 arrests across 23 U.S. divisions and seven foreign regions, with more than 10 tonnes of drugs, 420 firearms and about $11.1 million in cash seized.
  • Mexico’s security chief Omar García Harfuch stated the country did not participate in a joint operation with the DEA, highlighting that recent arrests linked to Sinaloa in Mexico were domestic actions.
  • Mexico’s Navy intercepted roughly 1.6 tonnes of cocaine off Acapulco on September 10 during maritime patrols, with the haul turned over to federal authorities for investigation.
  • Mexican forces reported ongoing actions in Sinaloa that inactivated synthetic‑drug storage and lab sites in Culiacán and Cosalá, seizing chemical precursors and equipment used for meth production.
  • CBP data show a 36.2% year‑over‑year drop in fentanyl seized at the southern U.S. border from September 2024 to July 2025 (5,408 kg), with the Tucson sector accounting for 2,525 kg of the total.