Mexican cartels are a major criminal threat in Mexico, with their activities ranging from drug trafficking and money laundering to human trafficking and violence. In recent years, the cartels have been responsible for destabilizing the country’s security environment and undermining economic...

For years, Mexican cartels have bought precursor chemicals from China and used them to make synthetic drugs like fentanyl and meth in Mexican super labs. The drugs are then smuggled into the U.S. But in the last few years, the U.S. Drug Enforcement Administration has cautioned in its National...