Comment: Who is trying to cover this up

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In reply to comment: Someone fix this logic for me. (see in situ)

Who is trying to cover this up

The government is suspected not because those questions remain unanswered but because of the effort they are putting into making sure those questions can't be answered. When you compared this to a murder trial, you said that just because it can be proven that one person hasn't committed the murder doesn't automatically incriminate someone else, which is true. But if someone else came along trying to get rid of evidence, they would immediately move to the top of the suspect list.