Numbers 35:33

So you shall not pollute the land in which you are; for blood pollutes the land and no expiation can be made for the land for the blood that is shed on it, except by the blood of him who shed it.

Micah 4:11

“And now many nations have been assembled against you
Who say, ‘Let her be polluted,
And let our eyes gloat over Zion.’

Genesis 9:6

Whoever sheds man’s blood,
By man his blood shall be shed,
For in the image of God
He made man.

Psalm 106:38

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

Leviticus 18:25

For the land has become defiled, therefore I have brought its punishment upon it, so the land has spewed out its inhabitants.

Deuteronomy 21:1-8

“If a slain person is found lying in the open country in the land which the Lord your God gives you to possess, and it is not known who has struck him,

Deuteronomy 21:23

his corpse shall not hang all night on the tree, but you shall surely bury him on the same day (for he who is hanged is accursed of God), so that you do not defile your land which the Lord your God gives you as an inheritance.

2 Kings 23:26

However, the Lord did not turn from the fierceness of His great wrath with which His anger burned against Judah, because of all the provocations with which Manasseh had provoked Him.

2 Kings 24:4

and also for the innocent blood which he shed, for he filled Jerusalem with innocent blood; and the Lord would not forgive.

Psalm 106:28

They joined themselves also to Baal-peor,
And ate sacrifices offered to the dead.

Isaiah 26:21

For behold, the Lord is about to come out from His place
To punish the inhabitants of the earth for their iniquity;
And the earth will reveal her bloodshed
And will no longer cover her slain.

Ezekiel 22:24-27

“Son of man, say to her, ‘You are a land that is not cleansed or rained on in the day of indignation.’

Hosea 4:2-3

There is swearing, deception, murder, stealing and adultery.
They employ violence, so that bloodshed follows bloodshed.

Matthew 23:31-35

So you testify against yourselves, that you are sons of those who murdered the prophets.

Luke 11:50-51

so that the blood of all the prophets, shed since the foundation of the world, may be charged against 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
For the land has become defiled, therefore I have brought its punishment upon it, so the land has spewed out its inhabitants.
Deuteronomy 21:1
“If a slain person is found lying in the open country in the land which the Lord your God gives you to possess, and it is not known who has struck him,
2 Kings 23:26
However, the Lord did not turn from the fierceness of His great wrath with which His anger burned against Judah, because of all the provocations with which Manasseh had provoked Him.
2 Kings 24:4
and also for the innocent blood which he shed, for he filled Jerusalem with innocent blood; and the Lord would not forgive.
Psalm 106:28
They joined themselves also to Baal-peor,
And ate sacrifices offered to the dead.
Isaiah 26:21
For behold, the Lord is about to come out from His place
To punish the inhabitants of the earth for their iniquity;
And the earth will reveal her bloodshed
And will no longer cover her slain.
Ezekiel 22:24
“Son of man, say to her, ‘You are a land that is not cleansed or rained on in the day of indignation.’
Hosea 4:2
There is swearing, deception, murder, stealing and adultery.
They employ violence, so that bloodshed follows bloodshed.
Micah 4:11
“And now many nations have been assembled against you
Who say, ‘Let her be polluted,
And let our eyes gloat over Zion.’
Matthew 23:31
So you testify against yourselves, that you are sons of those who murdered the prophets.
Luke 11:50
so that the blood of all the prophets, shed since the foundation of the world, may be charged against this generation,