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Sean Hannity during a 2014 segment.
In an appearance of "Fox and Friends" on Tuesday, the Fox anchor singled out Stelter among a number of media figures who Hannity alleged were "in the tank" for Democratic presidential nominee Hillary Clinton.
"You've got this little pipsqueak named Brian Stelter. And he allowed this arrogant professor from this arrogant professor from the Kennedy School of Journalism to talk about Trump being a demagogue and demagogue's like Trump becoming dictators," Hannity said of a guest of Stelter's show.
"That's the type of coverage that CNN offers in this presidential race."
The Fox News host then said the media was doubling up against Trump and that the press "literally kisses Hillary Clinton's ass and Obama's ass every day."
Hannity's remarks came as many media figures, including Stelter, have pointed out the Fox News hosts penchant for turning over his airwaves to conspiracy theorists and interview subjects spouting unfounded or contradictory theories about the Clintons.
In the past month, Stelter has repeatedly criticized Hannity's willingness to give significant air time to baseless and unproven theories about Clinton's health and whether the election is rigged. On Sunday's episode of "Reliable Sources," the CNN anchor criticized Hannity for bringing on doctors to watch clips of Clinton and speculate about potential health issues.
"That was reckless speculation by Sean Hannity. All of it," Stelter said.
"Hannity is not interested in the truth about Clinton's health. If he was, he could've interviewed people who were actually there during the episodes that he's exploiting."