Was too early to tell. now, aboard the vessel, to deep sea pioneers. paul-henri nargeolet, a veteran of dozens of guys in the titanic, he was 77, why they regard as an expert in the titanic. also stockton rush, 61, the founder of ocean rush. also lost aboard, 58-year-old pilot in aerial adventurer hamish harding, and british pakistani billionaire shahzada dawood who is 48 years, old and his 19-year-old son suleman. now there is no good news in what happened at all. but perhaps some comfort for the loved ones and those now lost, that according to former longtime navy physician dr. aileen marty, who we will speak of shortly, the implosion that took their lives would have happened many times faster than the human brain could have even detected it, let alone experienced fear. in just a moment, we will talk to the titanic director james cameron, who himself has made 33 dives to the titanic. he joins us. but first, cnn s miguel marquez with more about what we now know. miguel, you really have been covering this from the beginning, it is the worst possible findings. there was so much hope. there was slivers of it, but people really clung to it here in st. john s and across this