Russia’s cyberattack on DNC began only wks after Trump announced his candidacy for @POTUS in June of 2015.
On June 15, 2016, GRU Operative #1 (Guccifer 2.0 thedailybeast.com/exclusive-lone… ) widely disseminated a trove of stolen documents to the public, claiming they were DNC material. guccifer2.wordpress.com/2016/06/15/dnc/
Forensic analysis found evidence that Cozy Bear had infiltrated & remained present in the DNC’s network since at least July 27, 2015.