Numbers 31:13-24 - The Army Returns
13 And Moses and Eleazar the priest and all the lords of the congregation went out of the host against them. 14 And Moses was angry with the officers of the host, with the captains over thousands and over hundreds, which came from war and battle, 15 and said unto them, "Have ye saved the women alive? 16 Behold, these caused the children of Israel, through Balaam, to commit trespass against the LORD by the reason of Peor: and there followed a plague among the congregation of the LORD. 17 Now, therefore, slay all the men-children and the women that have lain with men, fleshly. 18 But all the women-children that have not lain with men, keep alive for yourselves.
19 And lodge without the host seven days, all that have killed any person and all that have touched any dead body, and purify both yourselves and your prisoners; the third day and the seventh. 20 And sprinkle all your raiments and all that is made of skins, and all work of goats' hair, and all things made of wood."
21 And Eleazar the priest said unto all the men of war which went out to battle, "This is the ordinance of the law which the LORD commanded Moses: 22 Gold, silver, brass, iron, tin and lead, 23 and all that may abide the fire, ye shall make it go through the fire, and then it is clean. Neverthelater, it shall be sprinkled with sprinkling water. And all that suffereth not the fire, ye shall make go through the water. 24 And wash your clothes the seventh day, and then ye are clean. And afterward come into the host."