Mexico specifically imports the chemicals from China, manufactures fentanyl and adds it to all kinds of drugs and counterfeit prescription meds, from weed, cocaine, heroin, to Xanax, Adderall, Percocet and more. This is done specifically for import to the US, per DEA.
Absolutely kids in the US are responsible for their drug use. Our society is far too permissive with drugs. Still, Mexico is treating tobacco like the worst thing ever while sending fentanyl into the US, to be used by kids and adults who aren't aware that what they are taking is fentanyl. 2 mg can cause an overdose. A sugar packet of it