Albert Barnes Commentary Deuteronomy 24:7

"If 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." — Deuteronomy 24:7 (ASV)

Compare Deuteronomy 21:14; and Exodus 21:16.