Deuteronomy 19:6
Lest the executer of blood follow after the slayer while his heart is hot and overtake him, because the way is long, and slay him, and yet there is no cause worthy of death in him, inasmuch as he hated not his neighbour in time past.
Numbers 35:12
And the cities shall be to flee from the executer of blood, that he which killed die not, until he stand before the congregation in judgment.
Deuteronomy 21:22
If a man have committed a trespass worthy of death and is put to death for it and hanged on tree:
Joshua 20:5
And when the avenger of blood followeth after him they shall not deliver the slayer unto his hand: because he smote his friend ignorantly, and hated him not before time.
2 Samuel 14:7
And behold, the whole kindred arose against thy handmaid and said, 'Deliver us him that smote his brother, that we may kill him for the soul of his brother whom he slew: for he will destroy the heir also.' And so they shall quench my sparkle which is left that he shall stir up neither name or issue upon the earth unto my husband."
Jeremiah 26:15-16
But this shall ye know: if ye put me to death, ye shall make yourselves, this city and all the inhabiters thereof, guilty of innocent blood. For this is of a truth: that the LORD hath sent me unto you, to speak all these words in your ears."