preserved in the way that it needed to. brooke? >> pretty astute and smart thinking men. nema thank you. of course you have the investigation piece of it and then the family members. i can't imagine the spectrum of emotions that these family members of the 239 missing souls from flight 370, what they've been going through the last 15 or so months and especially now with this discovery. they tell cnn they want 100% certainty that this is indeed the malaysian airplane. let's go to beijing to my colleague bill ripley who was on this from the beginning. how are they doing and how are they coping, will? >> reporter: her husband was on the plane and she said her heart is tortured. this has brought her back to early march of last year.