Numbers 35:33-34 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.

AKJV_Strongs⁽ⁱ⁾

33 H2610 So you shall not pollute H776 the land H834 wherein H1818 you are: for blood H2610 it defiles H776 the land: H776 and the land H3308 cannot H3722 be cleansed H1818 of the blood H8210 that is shed H1818 therein, but by the blood H8210 of him that shed it.