Numbers 35:33

And ye shall not pollute the land wherein ye are; for blood, it polluteth the land; and there can be no atonement made for the land, for the blood that hath been shed therein, but by the blood of him that shed it.

Micah 4:11

And now many nations are assembled against thee, that say, Let her be profaned, and let our eye look upon Zion.

Genesis 9:6

Whoso sheddeth Man's blood, by Man shall his blood be shed; for in the image of God he hath made Man.

Psalm 106:38

And shed innocent blood, the blood of their sons and of their daughters, whom they sacrificed unto the idols of Canaan; and the land was polluted with blood.

Leviticus 18:25

And the land hath become unclean; and I visit the iniquity thereof upon it, and the land vomiteth out its inhabitants.

Deuteronomy 21:1-8

If one be found slain in the land which Jehovah thy God giveth thee to possess, lying in the field, and it be not known who hath smitten him,

Deuteronomy 21:23

his body shall not remain all night upon the tree, but thou shalt in any wise bury him that day (for he that is hanged is a curse of God); and thou shalt not defile thy land, which Jehovah thy God giveth thee for an inheritance.

2 Kings 23:26

But Jehovah turned not from the fierceness of his great wrath, wherewith his anger was kindled against Judah, because of all the provocations with which Manasseh had provoked him.

2 Kings 24:4

and also because of the innocent blood that he had shed; for he had filled Jerusalem with innocent blood, and Jehovah would not pardon.

Psalm 106:28

And they joined themselves unto Baal-Peor, and ate the sacrifices of the dead;

Isaiah 26:21

For behold, Jehovah cometh out of his place to visit the iniquity of the inhabitants of the earth upon them; and the earth shall disclose her blood, and shall no more cover her slain.

Ezekiel 22:24-27

Son of man, say unto her, Thou art a land that is not cleansed, nor rained upon in the day of indignation.

Hosea 4:2-3

Swearing, and lying, and killing, and stealing, and committing adultery, they break out; and blood toucheth blood.

Matthew 23:31-35

So that ye bear witness of yourselves that ye are sons of those who slew the prophets:

Luke 11:50-51

that the blood of all the prophets which has been poured out from the foundation of the world may be required of this generation,

Treasury of Scripture Knowledge

Summary

So ye shall not pollute the land wherein ye are: for blood it defileth the land: and the land cannot be cleansed of the blood that is shed therein, but by the blood of him that shed it.

Bible References

It defileth

Leviticus 18:25
And the land hath become unclean; and I visit the iniquity thereof upon it, and the land vomiteth out its inhabitants.
Deuteronomy 21:1
If one be found slain in the land which Jehovah thy God giveth thee to possess, lying in the field, and it be not known who hath smitten him,
2 Kings 23:26
But Jehovah turned not from the fierceness of his great wrath, wherewith his anger was kindled against Judah, because of all the provocations with which Manasseh had provoked him.
2 Kings 24:4
and also because of the innocent blood that he had shed; for he had filled Jerusalem with innocent blood, and Jehovah would not pardon.
Psalm 106:28
And they joined themselves unto Baal-Peor, and ate the sacrifices of the dead;
Isaiah 26:21
For behold, Jehovah cometh out of his place to visit the iniquity of the inhabitants of the earth upon them; and the earth shall disclose her blood, and shall no more cover her slain.
Ezekiel 22:24
Son of man, say unto her, Thou art a land that is not cleansed, nor rained upon in the day of indignation.
Hosea 4:2
Swearing, and lying, and killing, and stealing, and committing adultery, they break out; and blood toucheth blood.
Micah 4:11
And now many nations are assembled against thee, that say, Let her be profaned, and let our eye look upon Zion.
Matthew 23:31
So that ye bear witness of yourselves that ye are sons of those who slew the prophets:
Luke 11:50
that the blood of all the prophets which has been poured out from the foundation of the world may be required of this generation,