[ClearCase_guy]

As more and more parts of the US legalize this stuff, the level of violence in the business increases.

Not supposed to work that way, huh?

[Pearls Before Swine]

As more and more parts of the US legalize this stuff, the level of violence in the business increases.

That's because the government controlled price is set too high. At, say $400 per ounce of medical MJ, there's a lot to be had in the black market. At $20 a lid of ditch-weed, not so much.

In other words, a legalized commodity with an absurdly high price (for taxes) invites a profitable black market. It happened with moonshine, too.

[Boogieman]

Well, actually, yes it is. If the repeal of a prohibition is piecemeal, then the criminals naturally fight even harder for their slice of the shrinking pie.

[Wolfie]

Marijuana is illegal in Ohio.

[Ken H]

As more and more parts of the US legalize this stuff, the level of violence in the business increases.

How many killings have there been in the state-licensed marijuana industry in Colorado?

The only violence I've heard of are a few robberies for cash - as happens with liquor stores, banks and 7-11s.