evidence that that wife says she needs. yes, they're not sure they're looking in the right spot, john. >> the words we hear now are luck and best guess. it tells you exactly where this search is right now. kyung lah, thanks so much. the panel joins us next to talk about this. also, tom forman shows us how the latest search area was arrived at. and we'll show you the high tech undersea tools that just started working today. and also, revisit some of the longest running disappearances in aviation history. stay with us. [ ambient street noise ] ♪ ♪ ♪ abe! get in! punch it! [ male announcer ] let quicken loans help you save your money with a mortgage that's engineered to amaze.