According to a report from McClatchy, the FBI is investigating Russia’s use of “bots” to push pro-Trump news stories on Facebook and Twitter from conservative websites and “Kremlin-backed RT News and Sputnik News.”

The March 20 article from McClatchy reported that “[o]peratives for Russia appear to have strategically timed the computer commands, known as ‘bots,’ to blitz social media with links to pro-Trump stories.” The “bots” pushed stories that mixed fact and fiction from “conservative sites such as Breitbart News and Infowars, as well as on the Kremlin-backed RT News and Sputnik News.” From the March 20 report:

Federal investigators are examining whether far-right news sites played any role last year in a Russian cyber operation that dramatically widened the reach of news stories — some fictional — that favored Donald Trump’s presidential bid, two people familiar with the inquiry say.

Operatives for Russia appear to have strategically timed the computer commands, known as “bots,” to blitz social media with links to the pro-Trump stories at times when the billionaire businessman was on the defensive in his race against Democrat Hillary Clinton, these sources said.

The bots’ end products were largely millions of Twitter and Facebook posts carrying links to stories on conservative internet sites such as Breitbart News and InfoWars, as well as on the Kremlin-backed RT News and Sputnik News, the sources said. Some of the stories were false or mixed fact and fiction, said the sources, who spoke on condition of anonymity because the bot attacks are part of an FBI-led investigation into a multifaceted Russian operation to influence last year’s elections.

Investigators examining the bot attacks are exploring whether the far-right news operations took any actions to assist Russia’s operatives. Their participation, however, wasn’t necessary for the bots to amplify their news through Twitter and Facebook.

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As for the bots, they carried links not only to news stories but also to Democratic emails posted on WikiLeaks, especially those hacked from Podesta and made public in October, said Philip Howard, a professor at the Oxford University Internet Institute who has researched the bot attacks.

Howard said that, as an example, bots had spread links to fictional stories that accused Clinton of involvement in running a child-sex ring in the basement of a Washington pizza parlor. The posts inspired a North Carolina man to drive to Washington and fire an assault weapon in the restaurant, according to police reports.

Howard’s study of bot-generated Twitter traffic during last fall’s Trump-Clinton campaign debates showed that bot messages favorable to Trump significantly outnumbered those sympathetic to Clinton.