Matthew 23:35-37
it is that on your heads may come all the righteous blood shed on the earth from the blood of Abel the upright 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 when I handed an innocent man over to death!" They said, "What is that to us? You see to it yourself."
Matthew 27:25
And all the people answered, "His blood be on us and on our children!"
James 1:27
A religious observance that is pure and stainless in the sight of God the Father is this: to look after orphans and widows in their trouble, and keep one's self unstained by the world.