Numbers 35:33

And ye shall not pollute the land which ye are in it: for blood it will pollute the land: and for the land it will not be expiated for the blood which was poured out upon it but by the blood of him shedding.

Micah 4:11

And now many nations were gathered against thee, saying, She shall be defiled, and our eyes shall look upon Zion.

Genesis 9:6

He pouring out man's blood, by man his blood shall be poured out: for in the image of God he made man.

Psalm 106:38

And they will pour out innocent blood, the blood of their sons and their daughters which they sacrificed to the images of Canaan: and the land will be polluted with bloods.

Leviticus 18:25

And the land shall be defiled: and I will strike iniquity upon it, and the land shall vomit forth its inhabitants.

Deuteronomy 21:1-8

When there shall be found a wounded in the land which Jehovah thy God gave to thee, to possess it, fallen in the field, not knowing who smote him:

Deuteronomy 21:23

His carcass shall not pass the night upon the tree; for burying, ye shall bury him in that day, for he being hung is the curse of God; and thou shalt not defile thy land which Jehovah thy God gave to thee an inheritance.

2 Kings 23:26

But Jehovah turned not back from the burning of his great anger, his anger which kindled against Judah because of all the provocations with which Manasseh irritated him.

2 Kings 24:4

And also the innocent blood which he poured forth, (and he will fill Jerusalem with innocent blood) and Jehovah would not pardon.

Psalm 106:28

And they will be bound to Baalpeor, and they will eat the sacrifices of the dead.

Isaiah 26:21

For behold, Jehovah will come forth out of his place to review the iniquity of him dwelling in the earth upon him; and the earth uncovered her bloods, and she will no more cover over her slain.

Ezekiel 22:24-27

Son of man, say to her, Thou a land not being cleansed; it was not rained upon in the day of anger.

Hosea 4:2-3

Swearing and lying, and breaking in pieces, and stealing and committing adultery, they broke forth; and bloods touched upon bloods.

Matthew 23:31-35

Wherefore ye bear testimony to yourselves, that ye are the sons of those having slain the prophets.

Luke 11:50-51

That the blood of all the prophets shed from the foundation of the world 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 shall be defiled: and I will strike iniquity upon it, and the land shall vomit forth its inhabitants.
Deuteronomy 21:1
When there shall be found a wounded in the land which Jehovah thy God gave to thee, to possess it, fallen in the field, not knowing who smote him:
2 Kings 23:26
But Jehovah turned not back from the burning of his great anger, his anger which kindled against Judah because of all the provocations with which Manasseh irritated him.
2 Kings 24:4
And also the innocent blood which he poured forth, (and he will fill Jerusalem with innocent blood) and Jehovah would not pardon.
Psalm 106:28
And they will be bound to Baalpeor, and they will eat the sacrifices of the dead.
Isaiah 26:21
For behold, Jehovah will come forth out of his place to review the iniquity of him dwelling in the earth upon him; and the earth uncovered her bloods, and she will no more cover over her slain.
Ezekiel 22:24
Son of man, say to her, Thou a land not being cleansed; it was not rained upon in the day of anger.
Hosea 4:2
Swearing and lying, and breaking in pieces, and stealing and committing adultery, they broke forth; and bloods touched upon bloods.
Micah 4:11
And now many nations were gathered against thee, saying, She shall be defiled, and our eyes shall look upon Zion.
Matthew 23:31
Wherefore ye bear testimony to yourselves, that ye are the sons of those having slain the prophets.
Luke 11:50
That the blood of all the prophets shed from the foundation of the world be required of this generation;