Blog dedicated to reporting on Mexican drug cartels
on the border line between the US and Mexico

Thursday, August 3, 2023

Mexican Cartel Leader Arrested in Guatemala Is Wanted by the US Government

"Morogris" for Borderland Beat

Luis Alberto Márquez Márquez taken into custody

On Wednesday, August 2, Guatemalan authorities confirmed the arrest of 44-year-old Mexican national, Luis Alberto Marquez Marquez, on charges related to drug trafficking.

According to the Guatemalan National Civil Police (PNC), the arrest took place at La Aurora International Airport, immediately upon his arrival on a flight from Mexico. He is wanted by the US government for his suspected involvement in fentanyl and meth trafficking. Reports say he faces charges in the US state of Maryland.

In addition, it was reported that Márquez was responsible for overseeing the supply and transportation of chemical precursors used to manufacture fentanyl in Mexico. Furthermore, he coordinated the shipment of these substances to the United States, where they were distributed across the country.

Authorities did not confirm for which drug cartel Marquez worked for and only stated that he was a high-ranking member. However, the local press is suggesting that it is likely the Sinaloa Cartel or the Jalisco New Generation Cartel (CJNG).

Marquez is the 19th individual arrested in Guatemala in 2023 that is wanted by the US government. Guatemalan authorities expect for US officials to formally issue an extradition request in the upcoming days.

Fentanyl in Maryland, Where Márquez is Wanted

During a one-year period that concluded in October 2022, Maryland's Overdose Data Dashboard indicated that 82% of the 2,454 overdose fatalities in the state were caused by fentanyl.

Amid the surge in drug overdose deaths linked to fentanyl, Maryland hospitals are now required to report the detection of fentanyl in drug tests to the state Department of Health.

Local reports have described this initiative as a "first-of-its-kind".

Governor Wes Moore signed a bill into law, which passed in this year's session of the Maryland General Assembly. The new law (known as The Josh Siems Act) mandates that all hospitals conduct screenings for fentanyl in urine drug tests, and the results indicating its presence will be submitted to the Maryland Department of Health, with personal information redacted.

Hospitals without the necessary testing equipment are exempted from this requirement.

The law will be effective starting October 1, 2023.

Arrest sources: Milenio; CRNNoticias; Silla Rota

Maryland background: Fox5DC; WYPR


  1. Wonder which cartel he was from. Maybe independent ?

    1. How does the US tie a specific state like Maryland to the leader on a specific group? Is it because 1 or 2 ppl say his name? Do the packages have his information on it? Sometimes it almost doesn’t make sense how they tie ppl so far in other countries when they don’t even know who locally is in charge in these states. I mean even the Flores brothers told on themselves before they were identified as large distributors.

    2. @2:51 I’m sorry but you statement about the Flores twins is incorrect. The Flores brothers were identified and had arrest warrants pending in Chicago for drug trafficking, which is why they fled to Mexico to avoid the law . The Feds knew they were actively involved in drug trafficking for years in Chicago , but it wasn’t until one of their buyers got busted and gave them up, that indictments could be handed down . And Im pretty confident in this case ,they have enough evidence from underlinings spilling the beans to avoid life sentences, that they were able to gather concrete evidence (whether text messages, recorded phone calls ,and enough evidence to bring down a federal conspiracy charge on this guy. Hell they got me in 07 with a lot less . And most people know it’s suicide to take a federal drug trafficking charges to trial , for fear of them throwing the book at you when it’s all said and done , for making them spend the hundreds of thousands it’s takes on average to take a case to trial . And also , I don’t know a single person who wouldn’t shake in their books after being federally indicted for fentanyl trafficking. Any person getting caught federally trafficking fentanyl today is getting the book thrown at them . I’m sure the Feds worked their way from the bottom level guys all the way up to this guy , and most everyone that got swept in the case told .

  2. Good job keep on extraditing those clowns let's see how tough they are at BOP.

  3. O hundred of Mexican lining to replace him. Nothing will change until US citezens stopping using dangerous drugs and it will never happen. Two things US can do to minimize drug cartels power:
    1) install death penalty for drug traffickers
    2) install military checkpoints for every entry from Mexico. And once people get caught with drugs, death penalty shall be implemented.

  4. This fool didn't have the brains to avoid an international commercial flight?
    Was he using his own product?

  5. If he crossed at the Rio Suchiate he would be a free man right now. These "cartel leaders" aren't rocket scientists.


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