Numbers 35:19

the avenger of blood, he shall put the murderer to death; when he meeteth him, he shall put him to death.

Numbers 35:21

or from enmity smite him with his hand, so that he die, he that smote him shall certainly be put to death; he is a murderer: the avenger of blood shall put the murderer to death, when he meeteth him. --

Deuteronomy 19:6

lest the avenger of blood pursue the manslayer, while his heart is hot, and overtake him, because the way is long, and smite him mortally; whereas he was not worthy of death, since he hated him not previously.

Deuteronomy 19:12

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

Joshua 20:3

that the slayer who unwittingly without intent smiteth any one mortally may flee thither: and they shall be your refuge from the avenger of blood.

Joshua 20:5

And if the avenger of blood pursue after him, they shall not deliver the slayer up into his hand; for he smote his neighbour unwittingly, and hated him not previously.

Numbers 35:12

And ye shall have these cities for refuge from the avenger; that the manslayer die not, until he have stood before the assembly in judgment.

Numbers 35:24

then the assembly shall judge between the smiter and the avenger of blood according to these judgments;

Numbers 35:27

and the avenger of blood find him outside the limits of his city of refuge, and the avenger of blood kill the manslayer, there shall be no blood-guiltiness upon him;

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 ye shall have these cities for refuge from the avenger; that the manslayer die not, until he have stood before the assembly in judgment.
Deuteronomy 19:6
lest the avenger of blood pursue the manslayer, while his heart is hot, and overtake him, because the way is long, and smite him mortally; whereas he was not worthy of death, since he hated him not previously.
Joshua 20:3
that the slayer who unwittingly without intent smiteth any one mortally may flee thither: and they shall be your refuge from the avenger of blood.