21 Whoever kills an animal must make restitution, but whoever kills a human being is to be put to death.

Read Leviticus 24:21 Using Other Translations

And he that killeth a beast, he shall restore it: and he that killeth a man, he shall be put to death.
Whoever kills an animal shall make it good, and whoever kills a person shall be put to death.
“Whoever kills an animal must pay for it in full, but whoever kills another person must be put to death.