Numbers 35:19

The avenger of blood himself shall slay the murderer: when he meeteth him, he shall slay him.

Numbers 35:21

Or in enmity shall smite him with his hand, that he die: he that smote him shall surely be put to death; for he is a murderer: the avenger of blood shall slay the murderer, when he meeteth him.

Deuteronomy 19:6

Lest the avenger of blood shall 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.

Deuteronomy 19:12

Then the elders of his city shall send and bring him thence, and deliver him into the hand of the avenger of blood, that he may die.

Joshua 20:3

That the slayer that killeth any person unawares and ignorantly, may flee thither: and they shall be your refuge from the avenger of blood.

Joshua 20:5

And if the avenger of blood shall pursue him, then they shall not deliver the slayer into his hand; because he smote his neighbor ignorantly, and had not hated him before.

Numbers 35:12

And they shall be to you cities for refuge from the avenger; that the man-slayer may not die, until he stands before the congregation in judgment.

Numbers 35:24

Then the congregation shall judge between the slayer and the avenger of blood according to these judgments:

Numbers 35:27

And the avenger of blood find him without the borders of the city of his refuge, and the avenger of blood shall kill the slayer; he shall not be guilty of blood:

Treasury of Scripture Knowledge

Summary

The revenger of blood himself shall slay the murderer: when he meeteth him, he shall slay him.

Bible References

General references

Numbers 35:12
And they shall be to you cities for refuge from the avenger; that the man-slayer may not die, until he stands before the congregation in judgment.
Deuteronomy 19:6
Lest the avenger of blood shall 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.
Joshua 20:3
That the slayer that killeth any person unawares and ignorantly, may flee thither: and they shall be your refuge from the avenger of blood.