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U.S. Actions Targeting Transnational Criminals for Illicit Fentanyl Activity – United States Department of State


Mario Alberto Jimenez Castro is a money launderer for the Sinaloa Cartel who is responsible for facilitating the movement of fentanyl proceeds from the U.S. to Mexico through various means.  In the case of Mario Alberto Jimenez Castro, a/k/a “Kastor,” he and a co-conspirator operate a U.S.-based money laundering organization that uses cryptocurrency to launder Cartel drug money to Mexico from the U.S., including from New York City, Boston, Denver, Nashville, Omaha, and Salt Lake City.  Since at least Approximately August 2022, Jimenez Castro, who with his co-conspirator report directly to a deputy of Ivan Archivaldo Guzman Salazar, has directed individuals to pick up money from various traffickers in the U.S., and to then deposit that cash into various cryptocurrency wallets controlled by other high-level members of the organization.

Between Approximately August 2022 and February 2023, U.S.-based couriers, acting at the direction of Jimenez Castro and his co-conspirator, retrieved more than $869,000 in narcotics proceeds which was then laundered via cryptocurrency for the Cartel.

On April 4, 2023, a federal grand jury in the Southern District of New York returned an indictment against Mario Alberto Jimenez Castro and others charging them with engaging in a Fentanyl Importation Conspiracy, Fentanyl Trafficking Conspiracy, Possession of Machineguns & Destructive Devices, Conspiracy to Possess Machineguns & Destructive Devices, and Money Laundering Conspiracy.

The U.S. Department of State is offering a REWARD OF UP TO $1 MILLION for information leading to the arrest and/or conviction of Mario Alberto Jimenez Castro.

If you have information, please contact the U.S. Drug Enforcement Administration via email at  If you are located outside of the U.S., you may also visit the nearest U.S. Embassy or Consulate.  If in the U.S., you can contact the local DEA office in your city.


Government officials and employees are not eligible for rewards.

U.S. Department of State

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