Precursor chemicals whose only use is to manufacture fentanyl are ordered by the Cartels from Chinese factories. The drug is then produced in Mexico and smuggled into the US.
Mary Beth Sheridan, The Washington Post
MEXICO CITY Mexican Marines on Friday captured fugitive drug lord Rafael Caro Quintero, a top target of U.S. law enforcement who was convicted in the 1985 ki.
Mexican authorities seized a record-breaking quantity of fentanyl at a single laboratory, but the bust was only proof of the drug's unstoppable production.