since 9/11. tonight, a very strange twist. in the 9/11 investigation, plane wreckage found behind a lower manhattan building last week is now being identified as a wing flap from one of the planes that crashed into the world trade center. with me now is ellen saracini. her husband was the pilot of flight 175. welcome to you, ellen. first of all, what was your reaction when you heard that a part of a plane, i don't think it was your husband's plane, but a part of a plane that crashed into the world trade center was found? does that bring all these memories flooding back again to you? >> yes, of course. solemn reminder how vulnerable we still are. these plane parts are still being found, they're going to be looking for human remains. you know, we have a bombing in boston. it just goes to show we're far