" Exit polls from the 2016 presidential election showed Hillary Clinton winning four crucial swing states that, when the final vote tallies came in, were actually won by Donald Trump. The discrepancy between the exit poll results and the raw vote total count has led to suspicions that the election was “rigged” in favor of Trump. "

https://www.google.com/amp/heavy.com/news/2016/11/2016-exit-polls-did-hillaty-clinton-win-presidential-election-voter-fraud-donald-trump-lose-rigged/amp/

" Exit polls have historically and throughout the world been used as a check against, and rough indicator of, the degree of election fraud. Some examples of this include the Venezuelan recall referendum, 2004, and the Ukrainian presidential election, 2004. "

https://en.m.wikipedia.org/wiki/Exit_poll