Deuteronomy 19:6

[He does this] lest the avenger of blood might pursue after the killer, because {he is hot with anger} and he overtakes him, because it is a long distance [to the city of refuge], and [so] {he kills him}, but {he did not deserve a death sentence}, because he [was] not hating him {before}.

Numbers 35:12

The cities will be to you a refuge from a redeemer, so that the killer will not die until he stands before the community for judgment.

Deuteronomy 21:22

"And {if a man commits a sin punishable by death}, and [so] he is put to death and you hang him on a tree,

Joshua 20:5

And if the avenger of blood pursues after him, they will not hand over the killer into his hand, because he killed his neighbor unintentionally, and {he did not hate him previously}.

2 Samuel 14:7

And look, all of the family has risen up against your servant, and they said, 'Give up the one who struck his brother, that we may kill him in exchange for the life of his brother whom he murdered. We will also wipe out the heir,' and so they would put out my embers which remain, by not preserving for my husband a name and a remnant on the face of the earth."

Jeremiah 26:15-16

Only you must certainly know that if you put me to death, you will bring on yourselves innocent blood, and on this city and on its inhabitants, for {truly} Yahweh sent me to you to speak all these words in your ears."

Treasury of Scripture Knowledge

Summary

Lest the avenger of the blood pursue the slayer, while his heart is hot, and overtake him, because the way is long, and slay him; whereas he was not worthy of death, inasmuch as he hated him not in time past.

In time past

General references

Bible References

The avenger

Numbers 35:12
The cities will be to you a refuge from a redeemer, so that the killer will not die until he stands before the community for judgment.
Joshua 20:5
And if the avenger of blood pursues after him, they will not hand over the killer into his hand, because he killed his neighbor unintentionally, and {he did not hate him previously}.
2 Samuel 14:7
And look, all of the family has risen up against your servant, and they said, 'Give up the one who struck his brother, that we may kill him in exchange for the life of his brother whom he murdered. We will also wipe out the heir,' and so they would put out my embers which remain, by not preserving for my husband a name and a remnant on the face of the earth."

Not worthy

Deuteronomy 21:22
"And {if a man commits a sin punishable by death}, and [so] he is put to death and you hang him on a tree,
Jeremiah 26:15
Only you must certainly know that if you put me to death, you will bring on yourselves innocent blood, and on this city and on its inhabitants, for {truly} Yahweh sent me to you to speak all these words in your ears."

In time past

Deuteronomy 19:4
"Now this [is] the case of the manslayer who may flee there and live [there] who has killed his neighbor {unintentionally}, and he did not hate him {previously}.

General references

Numbers 35:19
The blood avenger himself will put the killer to death; he must put him to death when meeting him.