(NewsNation) — A superseding indictment unsealed Wednesday links the trafficking of fentanyl and other illegal drugs in the Midwest with the Sinaloa cartel in Mexico, federal prosecutors said.

High-ranking Sinaloa cartel members are among 26 defendants who face drug-conspiracy charges for their alleged involvement in shipping hundreds of kilograms of fentanyl, methamphetamine and cocaine through southern Illinois and the St. Louis area. Laundered proceeds flowed back to Mexico, the U.S. Department of Justice said.

“The extraordinary work of the St. Louis Field Division and their partners resulted in the seizure of more than 800 pounds of fentanyl and exposed a money laundering network that pushed millions in cartel profits through U.S. banks,” Drug Enforcement Administrator Terrance Cole

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