Deuteronomy 24:7-9

7If a man be found stealing any of his brethren of the children of Israel, and he deal with him as a slave, or sell him; then that thief shall die: so shalt thou put away the evil from the midst of thee.

8Take heed in the plague of leprosy, that thou observe diligently, and do according to all that the priests the Levites shall teach you: as I commanded them, so ye shall observe to do. 9Remember what Jehovah thy God did unto Miriam, by the way as ye came forth out of Egypt.