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US Treasury escalates financial offensive against fentanyl networks

Fentanyl pill bottle
Photo: Wladimir Bulgar/Getty Images

Vlada Gurvich

6 min read
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Sanctions against Mexican financial institutions mark a decisive shift toward targeting the financial arteries of the global drug trade.

In a sweeping new enforcement action, the US Treasury Department has deployed expansive powers under the newly enacted FEND Off Fentanyl Act to target the financial arteries of Mexico’s opioid trafficking cartels.

On June 25, 2025, the Financial Crimes Enforcement Network (FinCEN) designated three major Mexican financial institutions, CIBanco,

This unprecedented

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