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