8 Bible Verses about Blood, as symbol of guilt

But as they opposed and abused him, he shook out his garments in protest, saying, "Your blood be on your own heads! I am not responsible! After this I will go to the Gentiles."

And I will display wonders in heaven above and signs on earth below, blood and fire and vapour of smoke: the sun shall be changed into darkness and the moon into blood, ere the great, open Day of the Lord arrives.

And when he opened the sixth seal, I looked; and a great earthquake took place, the sun turned black as sackcloth, the full moon turned like blood, the stars of the sky dropped to earth as a fig tree shaken by a gale sheds her unripe figs, the sky was swept aside like a scroll being folded up, and every mountain and island was moved out of its place.read more.
Then the kings of the earth, the magnates, the generals, the rich, the strong, slaves and freemen everyone of them, hid in caves and among the rocks of the mountains,

The first blew, and there came hail and fire mixed with blood, falling on the earth; a third of the earth was burnt up, a third of the trees were burnt up, and all the green grass was burnt up. The second angel blew, and what looked like a huge mountain on fire was hurled into the sea; a third of the sea turned blood, a third of the creatures in the sea ??the living creatures ??perished, and a third of the ships were destroyed.

The second poured out his bowl upon the sea; it turned blood like the blood of a corpse, and every living thing within the sea perished. The third poured out his bowl upon the rivers and fountains of water, and they turned blood. Then I heard the angel of the waters cry, "O holy One, who art and wast, just art thou in this thy sentence.read more.
They poured out the blood of saints and prophets, and thou hast given them blood to drink! They deserve it!"

Then Judas his betrayer saw he was condemned, and repented; he brought back the thirty silver pieces to the high priests and elders, saying, "I did wrong in betraying innocent blood." "What does that matter to us?" they said, "it is your affair, not ours!" Then he flung down the silver pieces in the temple and went off and hung himself.read more.
The high priests took the money and said, "It would be wrong to put this into the treasury, for it is the price of blood." So after consulting they bought with it the Potter's Field, to serve as a burying-place for strangers. That is why the field is called to this day "The Field of Blood."

"We strictly forbade you to teach about this Name, did we not? And here you have filled Jerusalem with your doctrine! You want to make us responsible for this man's death!"

and you say 'If we had been living in the days of our fathers, we would not have joined them in shedding the blood of the prophets.' So you are witnesses against yourselves, that you are sons of those who killed the prophets!