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Five people were shot dead in Juchitán de Zaragoza , Oaxaca on Oct. 19 and 20, including a 19-year-old student. A 3-year-old child was among those wounded. The killings came two weeks after the town's former mayor and former police chief were arrested as alleged members of Los Cromos a local faction of the Jalisco New Generation Cartel (CJNG / Cártel de Jalisco Nueva Generación

Mexican federal forces arrested Orlando "N," alias "El Coco Ranas," leader of the Los Ranas cell, and three other people in Culiacán. Authorities linked him to a September 2016 ambush that killed five soldiers and wounded 10. The suspects were handed over to the Attorney General's Office.

Security Secretary Omar García Harfuch announced the arrest of David "N," alias "Mando 20," and two other alleged members of the Jalisco New Generation Cartel in Tecomán, Colima. Investigators say Mando 20 led the cell responsible for the Dec. 6, 2025, car bomb outside a community police base in Coahuayana, Michoacán. That attack killed six people and injured 11.

U.S. Border Patrol agents found about 51.9 pounds of suspected fentanyl in a Honda CR-V on Interstate 15 near Murrieta, California, after a K-9 alerted to the vehicle. Days later, CBP officials in Tucson said Arizona ports of entry accounted for more than 30% of all fentanyl the agency seized nationwide in fiscal year 2026. Officials also described a cartel shift toward powder fentanyl and a more than 400% rise in seizures of ammunition headed south to Mexico.

In 1989, the disappearance of an American college student in Matamoros, Mexico, exposed a drug-trafficking organization whose leader claimed supernatural powers. Adolfo de Jesús Constanzo convinced his followers that violent rituals could protect them from law enforcement, rival criminals, and even bullets. Investigators eventually uncovered a remote ranch containing evidence of multiple ritual murders. This episode examines the intersection of narcotics trafficking, cult psychology, magical thinking, and one of Mexico's most disturbing criminal investigations.

The operational tempo of Mexico’s internal security crisis is experiencing a profound technological shift. Mexico’s Secretary of National Defense (SEDENA), General Ricardo Trevilla Trejo, issued a stark warning regarding the nationwide proliferation of weaponized uncrewed aerial systems (UAS). Addressing recent military operations, Trevilla confirmed that Mexican cartels are aggressively acquiring commercial aerial platforms and re-engineering them into tactical strike and reconnaissance assets designed to target rival factions and ambushing state security forces.

Costa Rica was once considered one of Central America’s safest countries, but international cocaine trafficking has contributed to rising violence. Criminal networks linked to Mexico, Colombia, and other countries have used Costa Rican territory as part of international drug routes. This episode examines the trafficking competition behind the country’s homicide crisis and why the government is responding with a 5,100-bed mega-prison. It also explores whether incarcerating cartel members can meaningfully disrupt international trafficking networks.

Explore the historical corruption cases involving Nayarit officials, including former prosecutor Edgar Veytia, without implying that those cases establish official complicity at El Dragón.

Drug cartels do not simply recruit criminals. They recruit teenagers searching for money, belonging, protection, and identity. This episode examines the psychological manipulation, social pressures, and calculated exploitation that transform vulnerable young people into members of violent criminal organizations.

Cartels may be remembered for traffickers and gunmen, but enormous criminal organizations cannot survive without people who understand money. This episode examines the accountants, financial operators, shell companies, cash businesses, and laundering networks that help transform illicit revenue into apparently legitimate wealth. We also explore why following the money can sometimes be more damaging to a trafficking organization than arresting its most visible members.

They travel low in the water, sometimes barely visible above the waves, carrying enormous quantities of cocaine across international waters. Often called narco submarines, these vessels represent an extraordinary intersection of drug trafficking, engineering, logistics, and desperation. Some are crude boats built in jungle workshops; others are surprisingly sophisticated semi-submersibles capable of traveling thousands of miles. In this episode of Narcology, we examine why traffickers use them, how they are constructed, and how authorities attempt to find them. The story reveals how quickly criminal organizations adapt when traditional smuggling routes become vulnerable.

Mexican authorities have arrested José Ángel Rivera Zazueta, known as “Don Flaco,” a man U.S. authorities accuse of helping finance and coordinate an international chemical-trafficking network. Investigators allege the organization moved precursor chemicals from China into Mexico, where chemicals could be used to manufacture synthetic drugs including fentanyl. The case reveals an often-overlooked side of the fentanyl trade: before the finished drug reaches the street, there is an international supply chain involving chemicals, money, transportation, and logistics.

ACLED’s September 17 analysis shows Sinaloa’s Chapitos–Mayos war didn’t end in year two—it relocated. Overall organized-crime violence dropped about 28% as Los Mayos gained ground around Culiacán, while Mazatlán and Escuinapa absorbed the fight, drones filled the gap left by fewer street clashes, and the blood spilled into Baja California and Zacatecas. This is what a cartel civil war looks like when the map changes but the war doesn’t quit.

Mexico is sending roughly 3,400 more troops from the Army, Navy, and SSPC into Sinaloa, with Mazatlán, Culiacán, and the state's highways as priorities. The reinforcements arrive in the middle of a Chapitos-Mayos war now more than two years old. SEDENA has pointed to large 2026 statewide seizure and lab totals as evidence of progress. But past surges suggest force can quiet the headlines without resolving the fight over territory and routes.

Mexican Army and state special ops rolled into La Isla del Bosque on September 11 and took down eleven alleged Chapitos shooters tied to regional boss Óscar Luciano Martínez Larios, “El Casco.” Twelve long guns and tactical kit came with them. The bigger shadow over the raid is the January Concordia miners case—ten workers taken and killed, still hanging over southern Sinaloa.