The CIA doesn't publicize it's covert operations, it would be foolish to expect it to so as that would give the enemy an unfair advantage.
Yes, I know many believe Elvis is still alive and Superman and Robin Hood are still alive in Hollywood but every theory can be challenged and exposed for what it is.
If we want to investigate a report about an event, we have to look for a motive as to why the reporter would be lying. The great Sherlock Holmes always looked for someone who would have a motive, to commit the crime,. It's not good enough to accuse someone, just because they happen to be a certain skin color, religion or political persuasion