Revelation 13:10 If anyone has captivity, he will go into captivity. If anyone is with the sword, he must be killed. Here is the endurance and the faith of the saints. (See RSV)
Genesis 4:15 Yahweh said to him, "Therefore whoever slays Cain, vengeance will be taken on him sevenfold." Yahweh appointed a sign for Cain, lest any finding him should strike him. (WEB RSV)
Numbers 35:27 and the avenger of blood find him without the border of his city of refuge, and the avenger of blood slay the manslayer; there shall be no bloodguiltiness for him; (See RSV)
Deuteronomy 27:24 'Cursed is he who strikes his neighbor in secret.' All the people shall say,'Amen.' (See RSV)
Job 5:2 For anger killeth the foolish man, and envy slayeth the silly one. (See NAS RSV NIV)
Job 20:16 He shall suck the poison of asps; the viper's tongue shall slay him. (See NAS)
Isaiah 66:3 Whoso slaughtereth the ox smiteth a man, Whoso sacrificeth the lamb beheadeth a dog, Whoso is bringing up a present -- The blood of a sow, Whoso is making mention of frankincense, Is blessing iniquity. Yea, they have fixed on their own ways, And in their abominations their soul hath delighted. (See NAS)