card actually surviving that kind of impact? have you seen that before in other crashes? >> yes. oh, yes. i have. i have cases where i have cell phone video and some cases, it's crucial. in one case, it was really a key piece of evidence. i've had cases where you've gotten pictures off of cameras, information off of a laptop. it's amazing what can survive and in a couple of those crashes, it was a horrific fire and still survived. these things survived and there should be more. i would think they would be finding more but you really have to comb these crash sites and sometimes, you literally get down to sifting with screens. so it's just a matter of finding it and if they find them, i think they'll get more. >> mary schiavo, thank you very much. and justin green, you as well. digging deeper on the technology that might save lives in a situation like this one. rene marsh has that. >> pull, up. >> reporter: despite glaring cockpit alarms like these, andreas lubitz continued