Titanic sub: What could have caused the implosion of the vessel?

With no certification from any regulatory body and a history of system malfunctions, questions linger over the Titan tourist submersible’s safety conditions and its deadly implosion. The debris of the sub was discovered by the U.S. Coast Guard, confirming the deaths of the five people on board. Eric Sorensen speaks with industry experts about what could have gone wrong, and the criticism towards OceanGate Expeditions, the company that built the vessel. For more info, please go to Subscribe to Global News Channel HERE: Like Global News on Facebook HERE: Follow Global News on Twitter HERE: Follow Global News on Instagram HERE: #GlobalNews #Titanic #OceanGate