For six years, grief-stricken Ghyslain Wattrelos has been chasing answers about what happened to Malaysia Airlines flight MH370 - and he believes it was shot down.
He lost his wife, Laurence, 51, and two of his children, Hadrien, 17, and Ambre, 13, when the doomed jet disappeared on a flight from Kuala Lumpur to Beijing on March 8, 2014.
The leading theory is the pilot, Zaharie Ahmad Shah, deliberately crashed the Boeing 777 in a remote part of the Indian Ocean after carefully planning the murder-suicide.
But Mr Wattrelos, 55, is convinced the plane was brought down on a foreign government's orders to eliminate something or someone on board.
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