Deuteronomy 19:11

19:11 However, suppose a person hates someone else and stalks him, attacks him, kills him, and then flees to one of these cities.

Deuteronomy 19:21

19:21 You must not show pity; the principle will be a life for a life, an eye for an eye, a tooth for a tooth, a hand for a hand, and a foot for a foot.

Deuteronomy 24:7

24:7 If a man is found kidnapping a person from among his fellow Israelites, and regards him as mere property and sells him, that kidnapper must die. In this way you will purge evil from among you.