Below are a couple of articles on the subject. It sounds like there were more bits of evidence than just the VPN. But of course, none of this is definitive pr

Below are a couple of articles on the subject. It sounds like there were more bits of evidence than just the VPN. But of course, none of this is definitive proof. https://www.lawfareblog.com/need-official-attribution-russias-dnc-hack https://www.lawfareblog.com/need-official-attribution-russia... http://www.nytimes.com/2016/07/28/us/politics/is-dnc-email-hacker-a-person-or-a-russian-front-experts-arent-sure.html http://www.nytimes.com/2016/07/28/us/politics/is-dnc-email-h...