John Chrysostom

What then do these? When they ought to have run unto Him, when they ought to have asked pardon for their offenses, they even persist more strongly in their former sins, they proceed to add unto their pollutions, forever throwing into the shade their former offenses by their later; as also He Himself declared when He said, "Fill ye up the measure of your fathers." For from the first the prophets used to charge them with these things, saying, "Your hands are full of blood;" and, "They mingle blood with blood;" and, "They build up Sion …

Homily on the Gospel of Matthew 68 ↗

Theophylact of Ohrid

But the husbandmen saw Him and said, "This is the heir; come, let us kill Him." The Jews, too, said, "This is the Christ," and they crucified Him. They cast Him out of the vineyard, for the Lord was slain outside of the city. But since we would also say that the vineyard is the people, Christ was slain by the Pharisees, the evil husbandmen, outside the vineyard, that is, outside and apart from the will of the guileless people.

Commentary on Matthew ↗

Thomas Aquinas

Then the purpose of malice is presented. And first, the scheming is presented; secondly, the plan; thirdly, the malice. "But the husbandmen seeing the son, said among themselves: this is the heir; come, let us kill him, and we shall have his inheritance;" for the son is truly the heir of his father, because what he asks, he obtains. …

Commentary on Matthew ↗

Rabanus Maurus

By what they say, This is the Son, He manifestly proves that the rulers of the Jews crucified the Son of God, not through ignorance, but through jealousy. For they understood that it was He to whom the Father speaks by the Prophet, Ask of me, and I shall give thee the heathen for thine inheritance (Ps. 2:8.) The inheritance given to the Son is the holy Church; an inheritance not left Him by His Father when dying, but wonderfully purchased by His own death. …

Catena Aurea by Aquinas ↗