Former independent presidential candidate Evan McMullin slammed President-elect Donald Trump Donald John TrumpTrump says he doesn't think he could've done more to stop virus spread Conservative activist Lauren Witzke wins GOP Senate primary in Delaware Trump defends claim coronavirus will disappear, citing 'herd mentality' MORE Sunday, calling him an authoritarian who manipulates the media.

“Like any authoritarian, Trump undermines institutions, obscures the truth & promotes himself as its ultimate source,” McMullin wrote on Twitter, citing Trump’s comments on New Year's Eve that he knows “things that other people don't know,” about Russian hacking.

"I know a lot about hacking. And hacking is a very hard thing to prove. So it could be somebody else,” Trump said Saturday.

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McMullin offered advice to reporters covering Trump.

“My hope is that the media won't allow Trump's claim to dominate the news cycles until he reveals what he 'knows.' Don't play his game,” he said.

McMullin, who often criticizes Trump on said the president-elect's “claim to have exclusive info raises more questions than anything else.”

“Trump manipulates the media by using them to broadcast messages most find absurd, but are believed by his less discerning supporters,” he said.