That's why a gradual release of revelations is such a good strategy. We've been seeing this in Spain in corruption cases. The target doesn't know what to expect

That's why a gradual release of revelations is such a good strategy. We've been seeing this in Spain in corruption cases. The target doesn't know what to expect: has the leaker had access to the real stuff or did he just scratched the surface? The danger of a too dismisive response is being caught in outright lies. With time, more people appears involved and the matter stays in the news.