Numbers 31:19 KJV
And do ye abide without the camp seven days: whosoever hath killed any person, and whosoever hath touched any slain, purify both yourselves and your captives on the third day, and on the seventh day.
Numbers 31:19, King James Version
In context
18 But all the women children, that have not known a man by lying with him, keep alive for yourselves.
19 And do ye abide without the camp seven days: whosoever hath killed any person, and whosoever hath touched any slain, purify both yourselves and your captives on the third day, and on the seventh day.
20 And purify all your raiment, and all that is made of skins, and all work of goats’ hair, and all things made of wood.