Federal authorities announced that a five-year investigation uncovered a complex scheme between one of Mexico’s most notorious drug cartels and Chinese individuals in the U.S. who laundered millions of dollars from illicit drug sales.

On Tuesday, the Justice Department announced a 10-count superseding indictment charging Los Angeles-based associates of Mexico’s Sinaloa drug cartel with conspiring with money-laundering groups linked to Chinese underground banking to launder drug trafficking proceeds. 

During the conspiracy, officials said more than $50 million in drug proceeds flowed between the Sinaloa Cartel associates and Chinese underground money exchanges.

The multi-year investigation into this conspiracy, dubbed "Operation Fortune Runner," resulted in a 10-count indictment naming 24 people related to the alleged money laundering.

'MOST RUTHLESS' MEXICAN CARTELS OPERATE IN ALL 50 STATES, BRING TURF WARS TO US: DEA

Drugs confiscated by U.S. District Attorney

This undated photo provided by the U.S. District Attorney shows confiscated drugs piled up in a truck bed. The Justice Department today announced a 10-count superseding indictment charging Los Angeles-based associates of Mexico's Sinaloa drug cartel with conspiring with money-laundering groups linked to Chinese underground banking to launder drug trafficking proceeds. (U.S. District Attorney via AP)

The charges include conspiracy to aid and abet the distribution of cocaine and methamphetamine, conspiracy to launder monetary instruments and conspiracy to operate an unlicensed money transmitting business.

The indictment alleges that a Sinaloa Cartel-linked money laundering network collected and, with help from a San Gabriel Valley, California-based money transmitting group with links to Chinese underground banking, processed large amounts of drug proceeds in U.S. currency in the Los Angeles area. 

The group then allegedly concealed their drug trafficking proceeds and made the proceeds generated in the U.S. accessible to cartel members in Mexico and elsewhere.

SUSPECTED MEXICAN CARTEL LEADER AND 'EL CHAPO' HENCHMAN SUSPECTED IN AMERICAN DEATHS FACES SLEW OF US CHARGES

U.S. District Attorney shows confiscated drugs piled up in a truck bed

Associates of the powerful Sinaloa Cartel conspired with the Chinese groups to cover up more than $50 million in drug profits, much of which was processed in the Los Angeles area, prosecutors said in a news release. (U.S. District Attorney via AP)

Lead defendant Edgar Joel Martinez-Reyes, 45, of East Los Angeles, and others allegedly used a variety of methods to hide the money’s source, including trade-based money laundering, "structuring" assets to avoid federal financial reporting requirements, and the purchase of cryptocurrency.

"Dangerous drugs like fentanyl and methamphetamine are destroying people’s lives but drug traffickers only care about their profits," said U.S. Attorney Martin Estrada for the Central District of California. "To protect our community, therefore, it is essential that we go after the sophisticated, international criminal syndicates that launder the drug money. As this indictment and our international actions show, we will be dogged in our pursuit of all those who facilitate destruction in our country and make sure they are held accountable for their actions." 

DOZENS CHARGED IN INTERNATIONAL DRUG SMUGGLING OPERATION LINKED TO BRUTAL MEXICAN CARTEL

Federal officials announce 10-count superseding indictment

The Justice Department announced a 10-count superseding indictment charging Los Angeles-based associates of Mexico’s Sinaloa drug cartel with conspiring with money-laundering groups linked to Chinese underground banking to launder drug trafficking proceeds. (United States Drug Enforcement Administration)

Twenty of the individuals charged in the superseding indictment are expected to be arraigned in the U.S. District Court in downtown Los Angeles in the coming weeks, including one who was arraigned on Monday.

"Relentless greed, the pursuit of money, is what drives the Mexican drug cartels that are responsible for the worst drug crisis in American history. This DEA investigation uncovered a partnership between Sinaloa Cartel associates and a Chinese criminal syndicate operating in Los Angeles and China to launder drug money. Laundering drug money gives the Sinaloa Cartel the means to produce and import their deadly poison into the United States. DEA’s top operational priority is to save American lives by defeating the cartels and those that support their operations. This investigation is the latest example, and there is more to come." - DEA Administrator Anne Milgram

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As part of this investigation, law enforcement has seized approximately $5 million in narcotics proceeds, 302 pounds of cocaine, 92 pounds of methamphetamine, 3,000 Ecstasy pills, 44 pounds of psilocybin (magic mushrooms), numerous ounces of ketamine, three semi-automatic rifles with high-capacity magazines and eight semi-automatic handguns.