Matthew Poole and continuators on Acts 24:19

19 Who ought to have been here before thee, and object, if they had ought against me.

The Iews of Asia, who had caused all this stir, having seen Trophimus with Paul in the streets of Ierusalem, and maliciously presuming that he had brought him into the Temple with him. Now these were the only proper Witnesses, who might therefore be now absent, because they could testifie nothing to the purpose▪ and when they thought seriously upon it, their Consciences might accuse them for the Clamour they had made against the Apostle, Chap. 21.28. As for the other Iews, they could only testifie by hear-say, which is not sufficient.