Numbers 35:12

12The cities shall be for you a refuge from the avenger, that the manslayer may not die until he stands before the congregation for judgment.

Joshua 20:5

5And if the avenger of blood pursues him, they shall not give up the manslayer into his hand, because he struck his neighbor unknowingly, and did not hate him in the past.

2 Samuel 14:7

7And now the whole clan has risen against your servant, and they say, ‘Give up the man who struck his brother, that we may put him to death for the life of his brother whom he killed.’ And so they would adestroy the heir also. Thus they would quench my coal that is left and leave to my husband neither name nor bremnant on the face of the earth.”

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