I don’t think anyone is arguing that a pure free market exists.
Having a capitalist economy doesn’t mean that you have a pure free market anyway.
Although there are libertarians that would like to have a free market like that, every capitalist economy has regulations in place in an attempt to prevent monopolies and/or businesses having too much power in one area.
Misleading title, this was a Missouri State case, not a federal one.
That being said, there are way too many innocent people getting killed for crimes they did not commit.
The only purpose of the death penalty is revenge. It has no place in a modern society.