A "catastrophic pressure implosion" killed all five passengers aboard the Titan submersible, the U.S. Coast Guard said Thursday, somberly solving a mystery that had captivated the public all week.
Some experts, however, weren't surprised — including film director and deep-sea explorer James Cameron. The Titanic director is criticizing the safety of the vessel that was to have explored the wreckage of the Titanic in the depths of the North Atlantic and comparing the cause of the accident to the ocean liner's historic disaster.
