Flavius Josephus, The Wars of the Jews
William Whiston, A.M., Ed.

[447] Nay, indeed, lest any Jews that lived elsewhere should convict him of his villainy, he extended his false accusations further, and persuaded Jonathan, and certain others that were caught with him, to bring an accusation of attempts for innovation against the Jews that were of the best character both at Alexandria and at Rome. One of these, against whom this treacherous accusation was laid, was Josephus, the writer of these books. However, this plot, thus contrived by Catullus, did not succeed according to his hopes; for though he came himself to Rome, and brought Jonathan and his companions along with him in bonds, and thought he should have had no further inquisition made as to those lies that were forged under his government, or by his means; yet did Vespasian suspect the matter and made an inquiry how far it was true. And when he understood that the accusation laid against the Jews was an unjust one, he cleared them of the crimes charged upon them, and this on account of Titus's concern about the matter, and brought a deserved punishment upon Jonathan; for he was first tormented, and then burnt alive.