>> the russian cyberattack of 2016. really have three elements to it. the first was to penetrate the democratic party servers and the e-mail top official of the hillary clinton campaign. the other was to get into state election systems, to their databases. and the third element of this was to inflame or create divisions within the american political culture. they did this with twitter and youtube and probably, most of all, facebook. creating fake pages, fake personas, fake tweets. >> putin's goal, according to u.s. intelligence agencies was to hurt hillary clinton, help donald trump and provoke conflict without leaving any fingerprints. >> the documents stolen by wikileaks. >> blasting russia and vladimir putin. >> state-sponsored russian hackers. >> polls now open. the most contentious and controversial presidential campaign is history.