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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.

20-year-old left Tlaquepaque in a taxi for a farm job and vanished; the search led investigators to Tecalitlán, Jalisco. There they found eight men held in a dim, stained-room clinic the CJNG used to patch up recruits it would not let leave. Six guards were arrested. Two of the rescued were on crutches. The highway advertisements that brought them there are still being taken down.

Mexican security forces killed a 15-year-old alleged assassin and his uncle, a wanted cartel leader, in a Michoacán ranch raid. The case exposes how some Mexican criminal groups function as family enterprises that pull relatives into violence at an early age. It also shows why Washington has designated allied factions as terrorist organizations and offered multimillion-dollar rewards for their leaders.

On August 23, 2026, DEA Administrator Terry Cole told Univision that recent indictments expose senior Mexican officials working directly with the Sinaloa Cartel and CJNG, adding that U.S. authorities recently warned certain officials about their CJNG ties. In the same breath, Cole described daily, fluid communication with Mexico’s Security Secretary Omar García Harfuch, framing the relationship as simultaneously cooperative and adversarial. This episode unpacks the accusations, the diplomatic tightrope both governments are walking, and what it signals about the fragile state of U.S.-Mexico security cooperation.

August 2026, federal prosecutors unsealed an indictment charging four alleged CJNG affiliates with narco-terrorism and firearms trafficking after they attempted to trade fentanyl and methamphetamine for European machine guns, RPGs, and mortars. This episode breaks down the mechanics of the alleged scheme, the international law enforcement effort that intercepted it, and what the case reveals about how cartels operate as transnational armed organizations rather than conventional drug trafficking networks. We examine the strategic logic behind CJNG’s pursuit of military-grade weaponry and what it signals about the escalating arms race among Mexican cartels.

Spanish and French police have dismantled one of Europe’s largest methamphetamine recovery labs linked to Mexico’s Jalisco New Generation Cartel, seizing roughly 2.5 tons of the drug dissolved in liquid vanilla flavoring. The operation targeted the full logistics chain from Mexican export to European crystallization and resulted in 13 arrests. This bust reveals how sophisticated Mexican cartels are adapting concealment methods to flood European markets with synthetic drugs.