to be absolutely certain a piece of the wreckage there may be some hope that it will lead to ultimately perhaps locating the rest of the wreckage. you know the first step in many steps. but maybe a little bit more of a positive pace of the flow of information. that's one thing that's still important to the families. >> so once the puzzle -- if the puzzle begins to really sort of you, you know really come in as far as answering the question and hopefully they will find the black boxes, is what is it a malfunction, was it something criminal was it pilot error? and how will they determine what happened for the families? >> finding one piece, it's a large piece, it may or may not really lead to any immediate conclusions to be drawn. likely not. but that's possible. they will have a look at it and there is information to be