the sentence for causing an injury should be prison time for a long as the person is negatively affected by the injury.
I don’t even care if you scratched the person....
If you with complete premeditation decided you are going to kill someone, and attempt to execute your plan.. even if you utterly fail, and your victim doesn’t have a mark on them from your attempt.... The max sentence for that should be LWOP or Execution. It should not have a MAX of 20 years.
You plotted and planned and attempted to kill another person, that should not have a max sentence restriction of anything less than LWOP.