Judges 1:10

1:10 The men of Judah attacked the Canaanites living in Hebron. (Hebron used to be called Kiriath Arba.) They killed Sheshai, Ahiman, and Talmai.

Judges 3:2

3:2 He left those nations simply because he wanted to teach the subsequent generations of Israelites, who had not experienced the earlier battles, how to conduct holy war.