[xorfish]

Switzerland had a open heroin epidemic around 30 years ago.

https://www.youtube.com/watch?v=3UYmaalotK0

Repression only made it worse and I can only imagine how much worse it would have been with the possibility that every shot may have something far more potent.

Maybe the important bit is also how it was resolved:

https://www.thelocal.ch/20120531/3427

In short, save injection sites, controlled diaphin or other opioid replacement therapies made the life of addicts livable and reduced the harm that happened.