Matthew 23:35-37
that upon you may come all the righteous blood which has been shed upon the earth, from the blood of Abel the just to the blood of Zachariah, the son of Barachiah, whom you slew between the temple and the altar.
Matthew 27:4
saying: I have sinned in having delivered up innocent blood. They replied: What is that to us? You will see to that.
Matthew 27:25
And all the people answered and said: His blood be upon us and upon our children.
James 1:27
Religion, pure and undefiled before God and the Father, is this: To visit the fatherless and widows in their affliction, and to keep himself unspotted from the world.