Theophylact of Ohrid

The scribes sought to kill Him (Jesus). Since the time of Passover was approaching, and they therefore saw danger for themselves from the gathering crowd, especially during the feast, they were searching, at last, for a way to kill Him without exposing themselves to any danger.

Commentary on Luke ↗

Bede

And the chief priests and the scribes sought how they might kill him. For they feared the people. These things, two days before the Passover, Matthew testifies, having assembled the chief priests, and the elders of the people, and the scribes, in the court of Caiaphas. But they feared the people, not dreading an uprising, but taking caution lest he be taken from their hands by the aid of the people.

On the Gospel of Luke ↗

Bonaventure

Secondly, as to the fraud of the Jewish plotting, he adds: And the chief priests and the scribes were seeking how they might kill Jesus. The chief priests were seeking—they in whom there ought to have been the prerogative of holiness; whence Exodus 28: "You shall consecrate the hands of the sons of Aaron and sanctify them, that they may minister to me in the priesthood." But that passage from Isaiah 1 could be said to them: "When you multiply prayer, I will not hear." Whence these men also, with the help of the scribes, were seeking …

Commentary on Luke, Chapter 22 ↗