anything on the ocean floor? >> well, it is very possible, john, that they just missed them. that they are outside the search circle that they have been focusing in on. that is a possibility. it is a possibility that there is someplace different, but in that vicinity, the ocean is playing tricks with the sound. it is a different thing. i argued it all along. if they do believe the pings are from the black boxes, how do they leave the area, even if they have to expand the circle two or three times to make the bull's eye bigger. >> may have to expand it two or three times and that could take some time, at least two or three weeks, when they get advanced in that area to keep searching. guys thank you very much. as always you will find much more on this story and others at cnn.com. up next, how the search for steve fosset's plane happened. plus, more news out of south korea, more bodies recovered as the criminal investigation heats