James Cameron says Titanic sub search was a 'nightmarish charade'

prolonged the agony of the families of the passengers.Cameron told the BBC in an interview broadcast on Friday that he "felt in my bones" that the Titan submersible had been lost soon after he heard it had lost contact with the surface during its descent to the wreckage of the ocean liner at the bottom of the Atlantic Ocean.READ MORE: With fate of Titanic-bound submersible clear, focus turns to cause of fatal implosionHe said focus in the media over the next few days about the submersible having 96 hours of oxygen supply — and that banging noises had been heard — were a "prolonged and nightmarish charade."Deep-sea explorer and Academy Award-winning filmmaker James Cameron sits in a scale model of the Deepsea Challengers pilot chamber at an exhibition about his history-making deep-sea expeditions in Sydney on May 28, 2018. (Photo credit should read SAE "That was just a cruel, slow turn of the screw for four days as far as I’m concerned," he said. "Because I knew the truth on Monday morning."The Titan launched at 6 a.m.

on Sunday, and was reported overdue that afternoon about 435 miles (700 kilometers) south of St. John’s, Newfoundland. On Thursday, U.S.

Coast Guards said debris had been found on the ocean bed. Authorities said all five people aboard the submersible died when the vessel imploded.READ MORE: Titanic shipwreck: A look at notable people, companies who have made the expeditionCameron, who has made more than 30 dives to the wreckage of the Titanic, said he knew an "extreme catastrophic event" had happened as soon as he heard the submersible had lost navigation and communications during its descent."For the sub’s electronics to fail and its communication system to fail, and its tracking transponder to fail.