"He who strikes a man so that he dies shall surely be put to death.
Exodus 21:12
Surrounding context
21:11 And if he does not do these three for her, then she shall go out free, without paying money.
21:12 "He who strikes a man so that he dies shall surely be put to death.
21:13 However, if he did not lie in wait, but God delivered him into his hand, then I will appoint for you a place where he may flee.