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.
Berean Study Bible (BSB) - Numbers 31:19 >All of you who have killed a person or touched the dead are to remain outside the camp for seven days. On the third day and the seventh day you are to purify both yourselves and your captives.