FinCEN supplemental alert on fuel smuggling and tax evasion schemes tied to Mexico-based cartels

On June 30, 2026, FinCEN issued a supplemental alert on fuel smuggling and tax evasion schemes on the southern border associated with CJNG and other Mexico-based criminal organizations. The alert gives red flags and reminds financial institutions, including money services businesses, of their Bank Secrecy Act reporting obligations.

What changed

FinCEN added a new typology alert focused on cartel-linked fuel smuggling and fiscal fuel theft, with detection indicators and reporting expectations for suspicious activity tied to these schemes.

Compliance perspective

MSBs and other financial institutions should review transaction monitoring and SAR escalation for cross-border fuel-smuggling patterns, structured cash activity, unusual remittances, and counterparties that fit the alert's red flags. Investigations teams should update typology libraries and frontline escalation guidance.

Key date

Effective date: June 30, 2026.