Potentially millions of Illegals voted. (potentially) http://www.investors.com/politics/editorials/trump-is-right-...
Here's one illegal that voted FIVE times. http://www.nbcdfw.com/news/local/Trial-Begins-in-Alleged-Ill...
AND the DHS supposedly under Obama administration tried to hack electronic voting polls for six states. http://www.zerohedge.com/news/2016-12-08/georgia-accuses-hom...
EDIT: I only said supposedly on the third because SIX is the supposed number, but the Georgia one DID happen.