But "I don't want my daughter to meet X" is something that you need to handle within your family, not by asking armed men to forcibly remove X from the community. In your given example (daughter visits friend whose parent is high) you can punish cases if your underage daughter gets offered drugs, as currently would happen if she'd get offered alcohol or sex; but saying that your neighbor should be imprisoned for what he's doing in his own home simply because "my daughter might visit..." seems a bit ridiculous reason.
It's perfectly okay for your neighbors (and parents of your daughters classmates) to do all kinds of wierd sh*t that you wouldn't allow your underage daughter to do - they can practice crazy religions, have freaky sex including blood and bondage, do near-suicidal acts for thrills, implant horns in their foreheads, whatever. If you don't like that, then that is a valid reason for you to avoid them, but it's not a valid reason for requiring them to stop.
