altitudes over various tracks so they would have a better idea where that aircraft might have come down, do it with explosive decompression, do it with potential fires of the lithium batteries and the cargo compartment and run all these scenarios and see what makes the most sense, then eliminate those and try to focus on where the rest -- >> you know boeing. that's a pretty responsible company. a huge operation. no one has more at stake right now, their reputation, on the line. i assume they're doing all that. >> i can guarantee they have hundreds of people working on this investigation 24/7. they are desperate to find out. >> nobody wants to know more -- obviously the families want to know first and foremost, but boeing really has a huge amount of interest in what's going on. >> absolutely. they have the deeper pockets. when all the litigation starts in this case, it's going to go after boeing more so than -- >> not just the litigation, their reputation. they want to make sure these planes are safe, there isn't a mechanical problem. but i just want to nail down on this, pamela, because you've been doing a lot of reporting on this.