اَلْعَدَد 35:31

وَلَا تَأْخُذُوا فِدْيَةً عَنْ نَفْسِ ٱلْقَاتِلِ ٱلْمُذْنِبِ لِلْمَوْتِ، بَلْ إِنَّهُ يُقْتَلُ.

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.