Matthew 23:35-37
that upon you may come all the righteous blood shed upon the earth, from the blood of righteous Abel, to the blood of Zacharias the son of Barachias, whom ye slew between the temple and the altar.
Matthew 27:4
saying, I have sinned, for I have betrayed innocent blood: but they said, What is that to us? see thou to that.
Matthew 27:25
and all the people answered and said, His blood be on us, and on our children.
James 1:27
Pure and uncorrupt religion before God and our Father is this, to take care of orphans and widows in their affliction, and to keep himself unspotted from the world.