In their own words, they stated this. "But the chief priests (pharisees) and elders persuaded the multitude that they should ask Barabbas, and destroy Jesus." -- Matt. 27:20.

"Then answered all the people (a pharisee Edomite majority), and said, His blood be on us, and on our children." -- Matt. 27:25.

One cannot erase what is written or add verses not in Scripture.

In their own words, they stated this. One cannot erase Scripture or make fabricate Scripture.