Living as she did upon the wall, it would be comparatively easy for her to lower the spies. For archeological information concerning the ancient city of Jericho, see p. 42.
Let them down.
But not before the conversation of vs. 16-20 had taken place. As in ch. 1:10, 11, a future fact is injected earlier than its chronological position would lead us to expect. Such repetitions occur frequently in the Bible.