Russian President Vladimir Putin has denied directing an interference campaign in support of Donald Trump's presidency.
She said Russian "trolls", or provocateurs, were likely stoking sentiments on both ends of the USA political spectrum "but that the network we now have identified is targeting the far right of American political discourse".
Some accounts "were focused on celebrities" and others on "political debate", it added.
On Monday, the Federal Bureau of Investigation, in a joint statement with the Department of Homeland Security, Justice Department and Director of National Intelligence, said that the agencies had "no indication of compromise of our nation's election infrastructure that would prevent voting, change vote counts, or disrupt the ability to tally votes".
USA law enforcement tipped the company off that these pages could be linked to foreign entities.
Facebook's purge is part of countermeasures to prevent abuses like those used by Russian groups two years ago to sway public opinion ahead of the 2016 USA presidential election.
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Records show that the charges were eventually dismissed after Beierle followed the conditions of a deferred prosecution agreement. Beierle was arrested again in 2016 after allegedly grabbing and slapping the buttocks of a woman at an apartment complex's pool.
Facebook said its decision to release its preliminary findings stemmed from the fact that "we are only one day away from important elections in the United States".
It comes after American security services revealed efforts by Russian Federation to spread misinformation and interfere in the 2016 presidential election, using Facebook as a tool to do so.
Twitter said Saturday it deleted a "series of accounts" that attempted to share disinformation.
Gleicher said at the time there was overlap with accounts taken down earlier this year and linked to Iranian state media, but the identity of the culprits has yet to be determined.
The social network said it needed to do further analysis to decide if the accounts are linked to Russia's Internet Research Agency or another group.
Facebook didn't always take the risk of election interference seriously, however.