https://edition.cnn.com/2023/03/30/americas/fentanyl-us-china-mexico-precursor-intl/index.html
It's estimated China is responsible for over 90 percent of illicit fentanyl found in the United States.
China’s Role in Illicit Fentanyl Running Rampant on US Streets
Trone said “99 percent of the fentanyl is coming from precursor drugs from China, and then it's manufactured by two cartels, the Jalisco and Sinaloa Cartels, and they're the ones that are bringing it across the border,” adding that it's important to stop it from the source
https://trone.house.gov/2023/01/08/chinas-role-in-illicit-fentanyl-running-rampant-on-us-streets/
