A former RCMP investigator claims that criminal evidence of an incendiary device was suppressed in the investigation of the fiery crash of Swissair 111 which claimed 229 lives in 1998. Official report would conclude that faulty wiring the cause of the fire.
I wouldn’t pay much attention to CBC’s Fifth Estate, it’s a sensationalist quasi-news program much given to hyperbole. Sounds like this ex-cop is still miffed at his “theory” having been discounted.
It’s just a theory, and I can’t quite see the relevance of phantom diamonds - if you wanted to steal them setting the plane on fire is an odd way of going about it.