You may be interested in reading an article I found on NewsReality: http://www.newsreality.com/b/?science/anthropology
The last time I saw "Mysteries of the Bible" on A&E, they found the happenings, but no proof the individuals were there or existed. The walls of Jericho did come down but mno proof Josuha was there or even existed, he may have as I have not read up on it lately.