Numbers 35:19

The avenger of blood himself is to kill the murderer; when he finds him, he is to kill him.

Numbers 35:21

or if in hostility he strikes him with his hand and he dies, the one who struck him must be put to death; he is a murderer. The avenger of blood is to kill the murderer when he finds him.

Deuteronomy 19:6

Otherwise, the avenger of blood in the heat of his anger might pursue the one who committed manslaughter, overtake him because the distance is great, and strike him dead. Yet he did not deserve to die, since he did not previously hate his neighbor.

Deuteronomy 19:12

the elders of his city must send for him, take him from there, and hand him over to the avenger of blood and he will die.

Joshua 20:3

so that a person who kills someone unintentionally or accidentally may flee there. These will be your refuge from the avenger of blood.

Joshua 20:5

And if the avenger of blood pursues him, they must not hand the one who committed manslaughter over to him, for he killed his neighbor accidentally and did not hate him beforehand.

Numbers 35:12

You will have the cities as a refuge from the avenger, so that the one who kills someone will not die until he stands trial before the assembly.

Numbers 35:24

the assembly is to judge between the slayer and the avenger of blood according to these ordinances.

Numbers 35:27

and the avenger of blood finds him outside the border of his city of refuge and kills him, the avenger will not be guilty of bloodshed,

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
You will have the cities as a refuge from the avenger, so that the one who kills someone will not die until he stands trial before the assembly.
Deuteronomy 19:6
Otherwise, the avenger of blood in the heat of his anger might pursue the one who committed manslaughter, overtake him because the distance is great, and strike him dead. Yet he did not deserve to die, since he did not previously hate his neighbor.
Joshua 20:3
so that a person who kills someone unintentionally or accidentally may flee there. These will be your refuge from the avenger of blood.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.