Numbers 35:19

'The redeemer of blood himself doth put the murderer to death; in his coming against him he doth put him to death.

Numbers 35:21

or in enmity he hath smitten him with his hand, and he dieth; the smiter is certainly put to death; he is a murderer; the redeemer of blood doth put the murderer to death in his coming against him.

Deuteronomy 19:6

lest the redeemer of blood pursue after the man-slayer when his heart is hot, and hath overtaken him (because the way is great), and hath smitten him -- the life, and he hath no sentence of death, for he is not hating him heretofore;

Deuteronomy 19:12

then the elders of his city have sent and taken him from thence, and given him into the hand of the redeemer of blood, and he hath died;

Joshua 20:3

for the fleeing thither of a man-slayer smiting life inadvertently, without knowledge; and they have been to you for a refuge from the redeemer of blood.

Joshua 20:5

'And when the redeemer of blood doth pursue after him, then they do not shut up the man-slayer into his hand, for without knowledge he hath smitten his neighbour, and is not hating him hitherto;

Numbers 35:12

and the cities have been to you for a refuge from the redeemer, and the man-slayer doth not die till his standing before the company for judgment.

Numbers 35:24

then have the company judged between the smiter and the redeemer of blood, by these judgments.

Numbers 35:27

and the redeemer of blood hath found him at the outside of the border of the city of his refuge, and the redeemer of blood hath slain the man-slayer, blood is not for 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 the cities have been to you for a refuge from the redeemer, and the man-slayer doth not die till his standing before the company for judgment.
Deuteronomy 19:6
lest the redeemer of blood pursue after the man-slayer when his heart is hot, and hath overtaken him (because the way is great), and hath smitten him -- the life, and he hath no sentence of death, for he is not hating him heretofore;
Joshua 20:3
for the fleeing thither of a man-slayer smiting life inadvertently, without knowledge; and they have been to you for a refuge from the redeemer of blood.