and fresh thinking and take a new look from scratch? >> you do need some of the old investigators but you definitely need fresh eyes. bringing new ideas. and any investigation you need to keep changing what you're doing. the inmarsat, some of them have been going over land as far as the southern india ocean. a lot of viewers say why not reexamine the northern ark? >> i have quizzed the investigators very carefully in that. now a new team -- but the investigators both in malaysia