It's all about how you present the 'evidence'. Moggi was tagged as the criminal mastermind early on, only his calls mattered, you could even throw in a bunch of lies in there for good measure. Very bad publicity, everyone is furious, that's half the job done. That's one thing. Let the rest of the truth seep out, and you would have seen a different scenario and a better calcio. But they buried the other incriminating calls for years, they created a farce and a scandal to suit, in the knowledge they could hide behind lawmakers.
