In a related note...
7 Terre Haute residents among 15 arrested on federal drug trafficking charges
..., but it's a victim-less crime...
You don't understand. If all drugs were legal to buy and sell, then all of the people working in the illegal drug trade would immediately get jobs as hairdressers or window washers and would be tax-paying. lawful members of polite society.
It's just like how the mob completely vanished after prohibition.