from the indian ocean could have moved it from the currents all the way over the island over the past 500 days. you can see why investigators are saying they are increasingly confident. of course lynda, being confident is not the same as being a hundred percent sure. >> that is true. a lot of detail there. we do know that this piece of debris is now on its way it france. can you explain why it is going to france and what investigators, how quickly they may be able to determine whether this is from the remnants of mh370? >> lynda, they have a lot to go on here. they he have the fact that there are markings, as i just mentioned. france leading this investigation. sorry, leading the investigation into this particular piece of debris because it washed up on french territory. working closely with the malaysians though. we have a source who told cnn that the americans, ntsb