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THE BAJA POST
NEWSROOM
Marco Antonio Lopez-Guerrero, an alleged Mexicali-based methamphetamine trafficker linked to the Sinaloa Cartel, was extradited from Mexico on October 24th to face drug and firearms charges, according to a press release issued by the Department of Justice of the Unites States, he is allegedly guilty of trafficking crystal methanphetamine.
The prosecution in this case is part of a multi-year investigation that resulted in the seizure of more than 180 kilograms of methamphetamine; 19 kilograms of fentanyl; 2 kilograms of heroin; along with firearms and ammunition
Lopez-Guerrero was indicted by a federal grand jury in the Southern District of California in July 2020. He is charged with Conspiracy to Import Methamphetamine; Conspiracy to Distribute Methamphetamine; Attempted Export of Defense Articles Without a License; and Smuggling Goods (i.e., firearms and ammunition) from the United States to Mexico.
According to court records, Lopez-Guerrero used young girls to smuggle methamphetamine through pedestrian lanes of Southern California ports of entry and to distribute the drugs in San Diego, San Bernardino and elsewhere
Lopez-Guerrero also used an ultra-light aircraft to smuggle methamphetamine; and he smuggled weapons to Mexico, including at least one short-barrel AR-15 rifle without a serial number and more than 150 rounds of ammunition, court records indicate.
At his first appearance in federal court on October 27th, Lopez-Guerrero was arraigned and entered a not-guilty plea before U.S. Magistrate Judge Karen S. Crawford. Following a detention hearing on October 30, 2025, Lopez-Guerrero was ordered detained pending trial. His next court appearance is scheduled for November 21, 2025, for a motion hearing/trial setting before U.S. District Judge Jinsook Ohta.
The Justice Department’s Office of International Affairs provided significant assistance in securing the defendant’s arrest and extradition from Mexico. The U.S. Marshals Service assisted in bringing the defendant to the United States. The case is being prosecuted by Assistant U.S. Attorneys Lawrence A. Casper and Edward Chang.
DEFENDANT Case Number 20cr2054-JO Marco Antonio Lopez-Guerrero Age: 34 Mexicali, MX
