Of course, Mexico legalized ALL drugs several years ago, but it hasn’t stopped the criminal murderous methods of those involved in its trade.
FWIW, the drug cartels announced several years ago that they were next targeting the pharmaceutical industry in the US.
After Prohibition, the gangs in the US didn’t lose power, they simply reinforced their marketing and criminal control of their enterprises.
The market for illegal drugs is the United States. We need to reduce the profit margin here before anything can really be done.
"The lush traffic in alcohol beverages during the violent years of 1920 to 1933 had laid the base of organization for a number of criminal gangs. The termination of the ban on liquor deprived these gangs of their most lucrative source of money" - Special Committee to Investigate Organized Crime in Interstate Commerce