Deuteronomy 2:34

2:34 At that time we seized all his cities and put every one of them under divine judgment, including even the women and children; we left no survivors.

Deuteronomy 20:16-18

Laws Concerning War with Canaanite Nations

20:16 As for the cities of these peoples that the Lord your God is going to give you as an inheritance, you must not allow a single living thing to survive. 20:17 Instead you must utterly annihilate them – the Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites – just as the Lord your God has commanded you, 20:18 so that they cannot teach you all the abhorrent ways they worship their gods, causing you to sin against the Lord your God.

Leviticus 27:28-29

Things Permanently Dedicated to the Lord

27:28 “‘Surely anything which a man permanently dedicates to the Lord from all that belongs to him, whether from people, animals, or his landed property, must be neither sold nor redeemed; anything permanently dedicated is most holy to the Lord. 27:29 Any human being who is permanently dedicated must not be ransomed; such a person must be put to death.

Numbers 21:2

21:2 So Israel made a vow to the Lord and said, “If you will indeed deliver this people into our hand, then we will utterly destroy their cities.”

Joshua 11:14

11:14 The Israelites plundered all the goods of these cities and the cattle, but they totally destroyed all the people and allowed no one who breathed to live.