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Seriously, #HillaryForPrision is actually trending on Twitter.

Supporters of GOP presidential candidate Donald Trump are apparently using a glaringly misspelled version of #HillaryForPrison, the popular hashtag used to hurl accusations at Democratic nominee Hillary Clinton, because they say the social network is censoring them.

The #HillaryForPrision hashtag was trending as high as at No. 2 on Monday with more than 115,000 tweets. "Happy Halloween" was the No. 1 trending hashtag.

Twitter declined to comment but directed us to a section of its FAQ that explains how trends are determined.

"Trends are determined by an algorithm and, by default, are tailored for you based on who you follow and your location," the FAQ reads. "This algorithm identifies topics that are popular now, rather than topics that have been popular for a while or on a daily basis, to help you discover the hottest emerging topics of discussion on Twitter that matter most to you."

The Clinton campaign didn't immediately respond to requests for comment.

The surge in anti-Clinton tweets is likely due to FBI Director James Comey revealing last week that the agency is reviewing additional emails to see whether Clinton kept classified information in her private email while serving as secretary of state.

Some Twitter users might think the social network is censoring them because Trump himself made the accusation. He took to Twitter on Sunday to blast tech giants -- including Twitter -- for what he thinks is the media suppressing the news.

"Wow, Twitter, Google and Facebook are burying the FBI criminal investigation of Clinton," he wrote. "Very dishonest media!"

The prospect of Twitter users intentionally misspelling a hashtag to get around perceived censorship highlights a deeper mistrust of the media among some Americans that may be heightened by Trump's frequent complaints. Sunday's tweet was just the candidate's latest critique of the media, which he and his campaign surrogates have accused of attempting to sway the election against him.

CNN reported that Twitter's "moments" section, where it highlights notable stories, had an item on the Clinton email investigation. Facebook also had a trending item on Comey and a Google search for "Hillary Clinton emails" delivers several stories in Google News.

This isn't the first time Twitter has been accused of censorship by Trump supporters.

A report by Breitbart, a conservative news outlet, in July cited Twitter users who felt the social network was censoring news related to Wikileaks' dump of Clinton emails.

Trump has repeatedly used Twitter to speak to his supporters and criticize rivals.

First published October 31, 10:57 a.m. PT.

Updated, 12:59 p.m. PT: Adds more background information.