Numbers 35:33
So you shall not pollute the land wherein you are: for blood it defiles the land: and the land cannot be cleansed of the blood that is shed therein, but by the blood of him that shed it.
Torrey's Topical Textbook—AKJV

Psalm 106:38
And shed innocent blood, even the blood of their sons and of their daughters, whom they sacrificed to the idols of Canaan: and the land was polluted with blood.
Torrey's Topical Textbook—AKJV