mrsat's calculations have been called into question. the families demanding the raw data. >> well, i think that data itself, stand alone, is fairly opaque and you can't draw too much from it. what i think is more pertinent is to see the messages and to see the important bits of information that. 's the job that we've been trying to do and find an explanation behind how the numbers are used. >> to be clear, you're letting people make judgments on your work. you're not inviting them to re-do your work. >> no, i have to say to redo the work requires experts in many different fields. >> mark dickenson has recently returned where he was part of the re-think team. he knows the entire wait of this search rests on the mrsat data.