they have.

Revelation 6:10, 11
And they cried out in a loud voice, "How long, O Lord, holy and true, until You judge those who live on the earth and avenge our blood?" . . .

Revelation 13:10, 15
"If anyone is destined for captivity, into captivity he will go; if anyone is to die by the sword, by the sword he must be killed." Here is a call for the perseverance and faith of the saints. . . .

Revelation 17:6, 7
I could see that the woman was drunk with the blood of the saints and of the witnesses for Jesus. And I was greatly astonished at the sight of her. . . .

Revelation 18:24
And there was found in her the blood of prophets and saints, and of all who had been slain on the earth.

Revelation 19:2
For His judgments are true and righteous; He has judged the great prostitute who corrupted the earth with her immorality, He has avenged the blood of His servants that was poured out by her hand."

Deuteronomy 32:42, 43
I will make My arrows drunk with blood, while My sword devours flesh--the blood of the slain and captives, the heads of the enemy leaders. . . .

2 Kings 24:4
and also for the innocent blood he had shed. For he had filled Jerusalem with innocent blood, and the LORD was unwilling to forgive.

Isaiah 49:26
I will make your oppressors eat their own flesh, and they will be drunk on their own blood, as with sweet wine. Then all mankind will know that I, the LORD, am your Savior and your Redeemer, the Mighty One of Jacob."

Isaiah 51:22, 23
Thus says your Lord, the LORD, even your God, who defends His people: "See, I have removed the cup of staggering from your hand; from that goblet, the cup of My fury, you will never drink again. . . .

Jeremiah 2:30
"I have struck your sons in vain; they accepted no discipline. Your own sword has devoured your prophets like a voracious lion.

Lamentations 4:13
But this was for the sins of her prophets and the guilt of her priests, who shed the blood of the righteous in her midst.

Matthew 7:2
For with the same judgment you pronounce, you will be judged; and with the measure you use, it will be measured to you.

Matthew 21:35-41
But the tenants seized his servants. They beat one, killed another, and stoned a third. . . .

Matthew 23:30-37
And you say, 'If we had lived in the days of our fathers, we would not have been partners with them in shedding the blood of the prophets.' . . .

for they are.

Revelation 11:18
The nations were enraged, and Your wrath has come. The time has come to judge the dead, and to reward Your servants, the prophets and saints, and those who fear Your name, both small and great, and to destroy those who destroy the earth."

Revelation 18:20
"Rejoice over her, O heaven, and you saints and apostles and prophets; because it is for you that God has pronounced His judgment against her."

Jeremiah 26:11, 16
Then the priests and prophets said to the officials and all the people, "This man is worthy of death, for he has prophesied against this city, as you have heard with your own ears!" . . .

Luke 12:48
But the one who unknowingly does things worthy of punishment will be beaten with few blows. From everyone who has been given much, much will be required; and from him who has been entrusted with much, even more will be demanded.

Hebrews 10:29
How much more severely do you think one deserves to be punished who has trampled on the Son of God, profaned the blood of the covenant that sanctified him, and insulted the Spirit of grace?