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

[222] So Hushai made haste to the high priests, Zadok and Abiathar, and told them the opinion of Ahithophel, and his own, and that the resolution was taken to follow this latter advice. He therefore bade them send to David, and tell him of it, and to inform him of the counsels that had been taken; and to desire him further to pass quickly over Jordan, lest his son should change his mind, and make haste to pursue him, and so prevent him, and seize upon him before he be in safety. Now the high priests had their sons concealed in a proper place out of the city, that they might carry news to David of what was transacted. Accordingly, they sent a maid-servant, whom they could trust, to them, to carry the news of Absalom's counsels, and ordered them to signify the same to David with all speed. So they made no excuse nor delay, but taking along with them their fathers' injunctions, because pious and faithful ministers, and judging that quickness and suddenness was the best mark of faithful service, they made haste to meet with David. But certain horsemen saw them when they were two furlongs from the city, and informed Absalom of them, who immediately sent some to take them; but when the sons of the high priest perceived this, they went out of the road, and betook themselves to a certain village; that village was called Bahurim; there they desired a certain woman to hide them, and afford them security. Accordingly she let the young men down by a rope into a well, and laid fleeces of wool over them; and when those that pursued them came to her, and asked her whether she saw them, she did not deny that she had seen them, for that they staid with her some time, but she said they then went their ways; and she foretold that, however, if they would follow them directly, they would catch them; but when after a long pursuit they could not catch them, they came back again; and when the woman saw those men were returned, and that there was no longer any fear of the young men's being caught by them, she drew them up by the rope, and bade them go on their journey accordingly, they used great diligence in the prosecution of that journey, and came to David, and informed him accurately of all the counsels of Absalom. So he commanded those that were with him to pass over Jordan while it was night, and not to delay at all on that account.