Hackers from Russia or the former Panaman president are culprits according to some sources. Edward Snowden sponsored by the Russian government or Ricardo Martinelli that fled his nation of Panama last year have both the motive and opportunity that neither the CIA nor GCHQ will be comfortable about. So, I don't think it's "when we know the source of the leaks" but if we ever find out the whole nine yards of the truth. Anyhow, this may not be about China or Russia as corruption at the very highest levels in those nations is not dealt with in the same ways as in our nations, but this may be about a revenge and perhaps the US presidential elections.