3 Bible Verses about Blood, as symbol of guilt

And I saw, when he opened the sixth seal, and there was an earthquake; and the sun became black as sackcloth of hair; and the moon became as blood; and the stars fell from heaven, on the earth, as fig tree drops its untimely figs, being shaken by a mighty wind: and the heavens passed away like a scroll, when it is rolled up; and every mountain, and island, was moved out of its place:read more.
and the kings of the earth, and the grandees, and the rich men, and the chief officers, and the powerful men, and every slave, and every freeman, hid themselves in the caves, and rocks of the mountains:

And the first sounded; and there hail and fire, mingled with blood, and it was cast down upon the earth; and a third part of the trees was burnt up, and all the herbage was burnt up. And the second angel sounded; and it was as if a great mountain, burning with fire, was cast into the sea; and a third part of the creatures which had life in the sea, died; and a third part of the ships were destroyed.

And the second angel poured out his vial upon the sea; and it became blood, like that of a dead man: and every living soul that was in the sea died. And the third angel poured out his vial upon the rivers, and on the fountains of water; and they became blood. And I heard the angel of the waters saying, Righteous art thou, who art, and who wast; who art perfect; because thou hast judged these:read more.
for they have poured forth the blood of saints, and prophets; and thou hast given them blood to drink-they are worthy.