Leviticus 24:21 KJV
And he that killeth a beast, he shall restore it: and he that killeth a man, he shall be put to death.
Leviticus 24:21, King James Version
In context
20 Breach for breach, eye for eye, tooth for tooth: as he hath caused a blemish in a man, so shall it be done to him again.
21 And he that killeth a beast, he shall restore it: and he that killeth a man, he shall be put to death.
22 Ye shall have one manner of law, as well for the stranger, as for one of your own country: for I am the Lord your God.