Killing a few people with your supply is an actual sales tactic called 'Hot Shotting' (a term for a lethal dose). When dealers cut and package for delivery they'll make a few extra strong and give them to well-known junkies who will then overdose and potentially die, in the process proving who's selling strong drugs. "That must be good stuff, Kevin died from it and they barely revived Sue."

Not only are street drugs inherently unsafe, the dealers view their customers as so expendable they're willing to kill them for advertising.

To fix this we've got to switch to government supply, but only when we simultaneously wipe out the illegal supply and suppliers, so that we don't simply compound the problem. Our interventions are like antibiotics. They lose their power over time when misused. They're best employed heavily in a cocktail and used fully.