Leviticus 24:17
"Whoever takes a human life shall surely be put to death.
Genesis 9:5-6
And for your lifeblood I will require a reckoning: from every beast I will require it and from man. From his fellow man I will require a reckoning for the life of man.
Deuteronomy 19:11-12
"But if anyone hates his neighbor and lies in wait for him and attacks him and strikes him fatally so that he dies, and he flees into one of these cities,
Exodus 21:12-14
"Whoever strikes a man so that he dies shall be put to death.
Numbers 35:30-31
"If anyone kills a person, the murderer shall be put to death on the evidence of witnesses. But no person shall be put to death on the testimony of one witness.
Deuteronomy 27:24
"'Cursed be anyone who strikes down his neighbor in secret.' And all the people shall say, 'Amen.'