there will likely now be multiple investigations. paula newton is joining us live from halifax. and what will investigators focus on now? reporter: they will focus on whether or not this was a catastrophic event that entailed just one thing going wrong or if this was multiple things given the strain on that vehicle. remember, we had heard that there were quite a few successful expeditions to the titanic wreck, was there stress put on the titan which then because it was largely unregulated wasn t tested going through the motions. you ve had so many people weigh in on this and one is james cameron who he himself has been to the wreck of the titanic and other deep sea explorations. listen to him now. i think there is almost a surreal irony. the titanic sank because the captain took it into an ice field on a moonless night with poor visibility after he had been repeatedly warned by telegram, by are a during t b are a during the day that that is what was ahead. and so a p
surreal irony. the titanic sank because the captain took it into an ice field on a moonless night with poor visibility after he had been repeatedly warned by telegram, by are a during t b are a during the day that that is what was ahead. and so a parallel with unheeded warnings.is what was ahead. and so a parallel with unheeded warnings. a large number of the community got together to write a letter to oceangate, the company, and say we believe that this could lead to came takes tcatastrophe. reporter: and of course that will be revealed. but they still have the remote operated vehicles there. they will see what can be recovered. but is this a seaobering moment.