Moses
Numbers 35:31ESV·traditional attribution

Moreover, you shall accept no ransom for the life of a murderer, who is guilty of death, but he shall be put to death.

John Gill Reformed Baptist @doctorgill

Moreover, ye shall take no satisfaction for the life of a murderer,.... Though he would give all his wealth and substance, all his estates and possessions, and whatever he is worth in the world; for all that a man has he will give for his life; but these are not to be taken, nor anything, and everything his friends may offer for him; all is...

Geneva Bible Notes Reformed @genevanotes

Moreover ye shall take no satisfaction for the life of a murderer, which [is] guilty of death: but he shall be surely put to death. (m) Who purposely committed murder.

Adam Clarke Methodist @methodicalclarke

Ye shall take no satisfaction for the life of a murderer - No atonement could be made for him, nor any commutation, so as to save him from death. All the laws of the civilized world have either adjudged the murderer to death, or to a punishment equivalent to it; such as perpetual imprisonment, in a dungeon, under ground, on a stone floor, without light...