What it may prove is that they will concoct a massive cover up story and claim it over and over, make films and documentaries about it, create a false story and stick to it while using it for political gain and war support.
Why concoct a massive cover-up story about this when they already have to worry about covering up the whole 9/11 conspiracy?
Why did they shoot down flight 93? Russell, please answer.
What it would prove is that they were willing to go to great lengths to hide one aspect of 9/11 begging the question what other lengths have they gone to to hide much more easily obscured facts.
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