lufthansa knew about this co-pilot and what was the screening procedure and what were they going to do to try and bring some sort of reassurance to the world about this. greta? >> catherine is it their goal to pick up every little scrap of that airplane out in the apps and to bring it back some place? >> absolutely, greta. that is what they are doing. what you are seeing at the moment is they are getting the big pieces out. after that, they say that they are going to actually rake through all that ravine to get every little bit. don't forget, greta, they are still looking for the second black box. they have got the cockpit voice recorder but they do not have the the data recorder. that's the one they really need. they know it fell out of the casing. they are going to go through this ravine with their hand and try to get every possible bit of evidence they can. >> greta? >> is this the the lufthansa or the french because it's in the apps? who is do this collection of