Acts 23:10 - Ellicott's Commentary On The Whole Bible

The chief captain, fearing... — We may well believe that the priest who had been rebuked as a “whited wall” would not willingly forego his revenge. He, and the Sadducees generally, would now be able to assume the position of being more devoted defenders of the Law and of the Temple than the Pharisees themselves. The fear of the chiliarch was naturally heightened by his knowledge that he was responsible for the life of a Roman citizen. In the barracks of the fortress, as before, probably in the self-same guardroom as that which had witnessed our Lord’s sufferings at the hands of Pilate’s soldiers, the prisoner would at least be in safety.