Introduction
Tamaulipas
Information and Uncertainty
Before moving forward, the level of uncertainty in the coming timeframe should be touched upon. An argument can be made that, with regards to the Cártel del Golfo (CDG, Gulf Cartel) as a whole, information being reported by major media and government sources reached a peak during the leadership of Antonio “Tony Tormenta” Ezequiel Cárdenas Guillén.
While it was not overly noticeable at the time, there was a decline in information during the leaderships of Mario “M1” Cárdenas Guillén/Jorge Eduardo “El Coss” Costilla Sánchez and Mario “Pelón” Armando Ramírez Treviño. Additionally, as the cartel landscape became increasingly complicated in Tamaulipas, the absence of reporting, combined with increasingly contradictory information being spread, led to a level of uncertainty around numerous events, to the extent that even a most wanted list created confusion.
A woman who goes by the name Veronica Treviño Molina appears in a video where she claims to work for Los Zetas in Nuevo Laredo, taking orders from her direct boss “Comandante 50”. In the video she states she’s been working with the group for 8 or 9 years in Nuevo Laredo.
Federal Agents in Aguascalientes arrested Veronica Treviño Molina, leader of the lookout division for the CDG. She was in charge of reporting activities in the area."Itzli" for Borderland Beat.
June 2020 to June 2021: The Matamoros faction appears to be growing in power as it extends its reach into San Luis Potosí, but the path forward looks uncertain amidst an arrest of a key figure, a betrayal, and overstepping in their conflict against Los Metros.
Continued from Part 7: Shadows of El Contador
Author’s Note: What began as a straightforward article about the current state of affairs and future prospects for the Cártel del Golfo Matamoros faction snowballed as writing background information expanded the scope of the article beyond the initial plan. In an effort to better serve the readers a multi-part series of articles has been decided upon.
The Overlooked Plaza
The easternmost city in Mexico along the United States border, Heroica Matamoros (H. Matamoros or simply Matamoros for short) seems unremarkable; the third largest border city in the state of Tamaulipas, behind Nuevo Laredo and Reynosa, fourth along the Texas border once Ciudad Juárez is thrown in the mix, sixth along the border as a whole, well behind Tijuana and Mexicali. Yet this city of 542,000 people, comparable in size to Sacramento, California, the 34th largest city in the United States, has shaped the course of cartel history in Mexico and is poised to continue to do so, even as it is now often overlooked.
"Itzli" for Borderland Beat.
October 2022 to April 2023: Cells of the Matamoros faction appear in new areas and evidence seems to reinforce rumored alliances.
Continued from Part 12: Specter of the CJNG
By Itzli.
We take a look at the Cárdenas Guillén family dynamics that have played an important part in shaping the CDG for over 25 years.

Reliable sources have confirmed that Juan Francisco “El Panochitas” Sáenz Tamez, code name “Metro 103”, a former leader of the Los Metros Faction of the Cártel del Golfo (CDG), was executed last week.
| Armored SUV used by the CDG in failed ambush; the door has the insignia of "Metro 37" |
"HEARST" for Borderland Beat
The Northeast Cartel (Cártel del Noreste, CDN) allegedly left black trash bags containing human remains in the city of Victoria, in Tamaulipas.
Warning: Graphic images below this point.
The Bags
At approximately 9:40 pm, on Sunday, August 21, 2022, a resident of the López Portillo neighborhood, of the city of Victoria, reported to the emergency phone line the discovery of a bright green narco sign next to a number of suspicious looking garbage bags on Bertha del Avellano Street.
"HEARST" for Borderland Beat
There was reportedly a battle between members of the Northeast Cartel (Cártel de Noroeste, CDN) and the Gulf Cartel (Cártel del Golfo, CDG) in General Bravo municipality in Nuevo León.
"Itzli" for Borderland Beat.
Introduction
In the history of Mexican drug cartels it can be argued that Los Zetas reached a level of infamy and widespread recognition that eclipsed any other cartel group. While much has been written over the years about its origins and activities of what began as a subgroup of the Cártel del Golfo (CDG, Gulf Cartel), the history of Los Zetas in its early years has been plagued by the spread of multiple contradictory versions of events.
Because of this, it appears that a definitive history of the early days of Los Zetas is unachievable. Nevertheless, we will take a look at the formation of Los Zetas with a strong focus on chronology in an effort to shed light on the original members.
Juan Reyes Mejía González is the real name of this cartel druglord, who is also known as "El Quique," his plaza is in the city of Mier, Tamaulipas. According to information released by the DEA, his primary form of operations is the transportation of drug shipments from Central and South America to Nuevo Laredo and Reynosa, for the Gulf Cartel (CDG). He has criminal federal indictments since 2008 from the District of Columbia and since 2006 from Dallas, Texas on charges of narco-trafficking and money laundering.