Your collective posts cite laws against: rape, murder, poisoning, assault, burglary, arson, manslaughter, inciting insurrection, conspiracy, and harboring a fugitive.
But nothing to substantiate the claim that a slave could be murdered at will. #53 above is not evidence that an owner murdering their slave was entitled to any compensation. In fact #55 sums it up nicely:
55. State not liable to owner for slave executed. --
The state shall in no instance be answerable for, or liable to pay the owner whatever for any Negro slave or slaves ...
Giving credit where credit is due, your 191 is admirable.