Matthew 23:35-37
so that on you will come all the righteous blood shed on the earth from the blood of upright Abel to the blood of Zechariah, Barachiah's son, whom you murdered between the sanctuary and the altar.
Matthew 27:4
and said, "I did wrong in turning an innocent man over to death." But they said, "What is that to us? You must see to that yourself."
Matthew 27:25
And all the people answered, "His blood be on us and on our children!"
James 1:27
A religious worship that is pure and stainless in the sight of God the Father is this: To look after orphans and widows in their trouble, and to keep one's own self unstained by the world.