Chinese graduate accused of supplying fentanyl chemicals to Mexican cartels

Zhang Zhidong, a Chinese graduate, has been accused of acting as a key link between Chinese chemical suppliers and Mexican drug laboratories. Cartel members and former colleagues have come forward to describe his alleged role in the fentanyl supply chain. He has earned the informal title of Mexico's 'fentanyl king' due to the scale of his alleged operations. His case highlights the growing connection between Chinese precursor chemical networks and Mexican cartel drug production. The accusations shed light on the international dimensions of the fentanyl crisis affecting North America.