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Current Affairs Investigations

Visual Explainer: Mapping Fentanyl Corridors in Mexico

Visual Explainer: Mapping Fentanyl Corridors in Mexico

Before fentanyl reaches the streets, a wide range of actors influence its movement across Mexico and into the United…

By Samantha Johnson / May 20, 2026

Before fentanyl reaches the streets, a wide range of actors influence its movement across Mexico and into the United States, from precursor chemical suppliers and independent clandestine producers to trafficking networks and local gangs.

Together, these actors form a complex ecosystem in which decisions made at different stages of the supply chain shape how the market functions.

*This article is part of a year-long investigation into the evolution of the fentanyl market across northern Mexico. Read the other articles of the investigation here and the full report here.

This interactive visualization traces that journey, from Mexico’s Pacific ports to trafficking corridors along the US border, where retail markets have also emerged.

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