So would not the better solution be to regulate and tax the markets? To allow legitimate business to operate in the markets, leading to better, more consistent and safer products for consumers of those products and eliminate the black market and the criminal actors that operate in the shadows.
The war on drugs has been a complete and abject failure from every angle one could objectively look at it, unless you're goals are to have overly militarized police forces that consistently violate peoples rights and brutalize and imprison non-violent people. Current policies have turned patrol officers into thugs that rob innocent people (e.g. Civil Asset Forfeiture), that use fabricated pre-textual traffic stops and unreliable and/or faked drug dog "signals" to violate peoples right against unlawful searches.
We already do this in a wide variety of industries.
https://www.dea.gov/sites/default/files/2020-03/DEA_GOV_DIR-...
> Currently, China remains the primary source of fentanyl and fentanyl-related substances trafficked through international mail and express consignment operations environment, as well as the main source for all fentanyl-related substances trafficked into the United States
You don't know as much about drugs, their problems and their solutions as you think you do. Suggest you read up on it and inform your self before getting riled up.
Saying we should have tighter borders or that a lot of drugs come through / from Mexico is not racist. If you want to convince somebody of your position don't be a complete jerk while making libelous statements.