wherein ye are. Some codices, with Samaritan Pentateuch, Syriac, and Vulgate, read "wherein ye are dwelling".
blood: i.e. blood unlawfully shed.
him that shed it. Compare Genesis 9:6.
Related Commentaries of Numbers 35:33
Numbers 35:33
33 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.