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US Treasury Sanctions Three Mexican Banks for Alleged Cartel Money Laundering

The first use of new fentanyl sanctions authority bars US banks from certain dealings with CIBanco, Intercam and Vector as Mexico’s finance ministry requests proof of illicit activity.

Image
A view shows a bronze seal beside a door at the U.S. Treasury building in Washington, U.S., January 20, 2023.  REUTERS/Kevin Lamarque/File Photo
A CiBanco bank logo is pictured at one of its branches, in San Pedro Garza Garcia, Mexico, June 25, 2025. REUTERS/Daniel Becerril/File Photo

Overview

  • The Treasury’s Financial Crimes Enforcement Network designated CIBanco, Intercam Banco and Vector Casa de Bolsa as primary money laundering concerns under the Fentanyl Sanctions Act and the FEND Off Fentanyl Act.
  • US financial institutions are now prohibited from conducting specified transactions with the sanctioned Mexican entities, effectively severing their direct access to the US banking system.
  • Treasury officials accuse the three firms of laundering millions of dollars for Mexican cartels and facilitating payments for fentanyl precursor chemicals imported from China.
  • All three institutions have denied the allegations, and Mexico’s finance ministry says it has yet to receive conclusive evidence to substantiate the US claims.
  • Analysts warn that cutting off these mid-sized banks from US markets could disrupt Mexico’s interconnected financial network and increase pressure on authorities to tackle cartel financing.