I guess the real question is who didn't hack the DNC !

https://talkingpointsmemo.com/livewire/josh-uretsky-clinton-data-breach December 18, 2015 2:43 pm

The former data director for Sen. Bernie Sanders (I-VT)’s presidential campaign said Friday that staffers for the campaign accessed and saved voter information from opponent Hillary Clinton in order to prove to the Democratic National Committee that their voter information system had been breached.