Though original leaks came direct from Guccifer 2.0 (strong evidence of Russia tie) and then later leaks through WL.https://twitter.com/emptywheel/status/774682736833560576 …
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Plus the Russian language hyperlinks and other metadata in docs, and analysis of later communications with reporters.
Not say it's outright proof. But it does provide a link between hacking and leaking that it worth noting.
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