Numbers 25:3-7

³In this way the Israelites devoted themselves in worship to Baal of Peor, and the Lord was angry with them.

⁴The Lord told Moses, “Arrest all the Israelite leaders and kill them before the Lord where everyone can see in order to turn the Lord's furious anger away from the people.”

⁵So Moses instructed Israel's judges, “Each of you has to kill all of your men who have devoted themselves to worshiping Baal of Peor.”

⁶Right then an Israelite man brought a Midianite woman to his family tent in full view of Moses and all the Israelites as they were crying at the entrance to the Tent of Meeting.

⁷When he saw this, Phinehas, son of Eleazar, the son of Aaron the priest, left the assembly, grabbed a spear