The Coast Guard has found wreckage from that missing Titanic sub and says there was a 'catastrophic implosion'. All five people on board are now presumed dead. Their families have been notified. So, what does that kind of implosion do to the human body? Rob and Emily talked on LA's Afternoon News with Ken LeDez, a hyperbaric medicine expert at Memorial University in St John's, Newfoundland.

<p>The Coast Guard has found wreckage from that missing Titanic sub and says there was a 'catastrophic implosion'. All five people on board are now presumed dead. Their families have been notified. So, what does that kind of implosion do to the human body? Rob and Emily talked on LA's Afternoon News with Ken LeDez, a hyperbaric medicine expert at Memorial University in St John's, Newfoundland.</p>
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