Exodus 21:16
And he that steals a man, and sells him, or if he be found in his hand, he shall surely be put to death.
Nave's Topical Index—AKJV

Deuteronomy 24:7
If a man be found stealing any of his brothers of the children of Israel, and makes merchandise of him, or sells him; then that thief shall die; and you shall put evil away from among you.
Nave's Topical Index—AKJV