President Claudia Sheinbaum's statement on Mexico's anti-drug campaign follows President-elect Donald Trump's threats to ...

Mexico has found no proof that fentanyl is being produced in the country, its president said Tuesday, following threats from ...

Washington researchers and care providers are struggling to keep up with new chemicals in the region’s illicit drug supply.

Two pharmaceutical companies based in India have been charged with smuggling chemicals used in the production of the deadly opioid fentanyl. Federal prosecutors in New York announced Monday that Raxut ...