In this interview with Bill Binney of the NSA he clearly states that the DNC servers where never "hacked" by anyone, the time stamps proved that the files had been downloaded on to a thumb drive and then physically transferred offshore, most likely the UK where they were then downloaded to Wikileaks.

The video was published yesterday and so far has 1 dislike, I guess that was Hillary.

https://www.youtube.com/watch?time_continue=1376&v=-9TyASfZV0c