2 Samuel 17:20

They be gone over the brook of water. The word michal , translated "brook," does not occur elsewhere, and probably it was a local name for some stream near Bahurim. It was, we may suppose, in the right direction, but when the pursuers had followed for some time, and caught no glimpse of the runners, knowing their swiftness of foot, they concluded that they had outstripped them. and, giving up the chase as hopeless, returned to Jerusalem. It was only when she had seen them far on their way back that she removed the cover and allowed the young priests to resume their journey. The delay, would have been fatal to David if vigorous counsel had been followed at Jerusalem; as it was, they reached David's camp without further incident, and acquainted him with Ahithophel's plan; and the king at once recognized his danger, and without more delay, commenced at once the passage of the Jordan, and carried it out so skilfully and rapidly, that by the morning every one of his company was safe on the other side.