Discovery of a debris field close to the wreck of the titanic. for the first time the bbc has heard from a co founder of the company that owned the sub and asked will there could be a catastrophic failure. i the sub and asked will there could be a catastrophic failure. be a catastrophic failure. i can t speculate be a catastrophic failure. i can t speculate on be a catastrophic failure. i can t speculate on what be a catastrophic failure. i can t speculate on what is be a catastrophic failure. i can t speculate on what is going - be a catastrophic failure. i can t speculate on what is going on l be a catastrophic failure. i can t - speculate on what is going on now. what i do know is regardless of the sub when you re operating at depths like 2800 metres down, the pressure is so great on any sub if there is a failure, it would be an instantaneous immregs. if that is what happened, that is what would have happened four days ago. this video shock have happened four days ago. th