This is a first for me.
Read the link and indeed the Nostra Aetate of 1965 declares that the Jewish people are not to be blamed for the charge of Deicide - as disussed at Vatican II.
The original charge against the Jewish people comes from the New Testament :
Matthew Chapter 27 - Verse 15-26 is explicit : Verse 6,12 and 20 are
explicit.
1
1 2 When it was morning, all the chief priests and the elders of the people took counsel against Jesus to put him to death.
2
They bound him, led him away, and handed him over to Pilate, the governor.
3
Then Judas, his betrayer, seeing that Jesus had been condemned, deeply regretted what he had done. He returned the thirty pieces of silver 3 to the chief priests and elders,
4
saying, "I have sinned in betraying innocent blood." They said, "What is that to us? Look to it yourself."
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4 Flinging the money into the temple, he departed and went off and hanged himself.
6
The chief priests gathered up the money, but said, "It is not lawful to deposit this in the temple treasury, for it is the price of blood."
7
After consultation, they used it to buy the potter's field as a burial place for foreigners.
8
That is why that field even today is called the Field of Blood.
9
Then was fulfilled what had been said through Jeremiah the prophet, 5 "And they took the thirty pieces of silver, the value of a man with a price on his head, a price set by some of the Israelites,
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and they paid it out for the potter's field just as the Lord had commanded me."
11
Now Jesus stood before the governor, and he questioned him, "Are you the king of the Jews?" 6 Jesus said, "You say so."
12
And when he was accused by the chief priests and elders, 7 he made no answer.
13
Then Pilate said to him, "Do you not hear how many things they are testifying against you?"
14
But he did not answer him one word, so that the governor was greatly amazed.
15
8 Now on the occasion of the feast the governor was accustomed to release to the crowd one prisoner whom they wished.
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9 And at that time they had a notorious prisoner called (Jesus) Barabbas.
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So when they had assembled, Pilate said to them, "Which one do you want me to release to you, (Jesus) Barabbas, or Jesus called Messiah?"
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10 For he knew that it was out of envy that they had handed him over.
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11 While he was still seated on the bench, his wife sent him a message, "Have nothing to do with that righteous man. I suffered much in a dream today because of him."
20
The chief priests and the elders persuaded the crowds to ask for Barabbas but to destroy Jesus.
21
The governor said to them in reply, "Which of the two do you want me to release to you?" They answered, "Barabbas!"
22
12 Pilate said to them, "Then what shall I do with Jesus called Messiah?" They all said, "Let him be crucified!"
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But he said, "Why? What evil has he done?" They only shouted the louder, "Let him be crucified!"
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13 When Pilate saw that he was not succeeding at all, but that a riot was breaking out instead, he took water and washed his hands in the sight of the crowd, saying, "I am innocent of this man's blood. Look to it yourselves."
25
And the whole people said in reply, "His blood be upon us and upon our children."
Vatican II says that although the the account is clear (as above), that RC's
are required not to attribute blame for the charge of Deicide, to the Jewish people.