Numbers 14:28

14:28 Say to them, ‘As I live, says the Lord, I will surely do to you just what you have spoken in my hearing.

Numbers 15:35

15:35 Then the Lord said to Moses, “The man must surely be put to death; the whole community must stone him with stones outside the camp.”

Numbers 35:16

35:16 “But if he hits someone with an iron tool so that he dies, he is a murderer. The murderer must surely be put to death.

Numbers 35:31

35:31 Moreover, you must not accept a ransom for the life of a murderer who is guilty of death; he must surely be put to death.