The daily Sueddeutsche Zeitung was offered the leaked data over a year ago through an encrypted channel by the source, and started publishing material last month. It said today it's now received a manifesto from the source, though it didn't say how. It couldn't immediately be reached for further details.
The document says "a new global debate has started, which is encouraging." Its author says: "I do not work for any government or intelligence agency, directly or as a contractor, and I never have.