The agency reportedly has connections to numerous Russian intelligence officials, identified by Federal Bureau of Investigation (FBI) Special Counsel Robert Mueller as having interfered in the 2016 presidential election.
The group is a Kremlin-backed outfit whose employees posed as Americans and spread disinformation online in an attempt to influence the 2016 election, according to USA officials.
You can read all of the Washington Post report here. "They shut 'em down".
The New York Times reported separately past year that part of the U.S. offensive operation in 2018 included directly targeting the trolls by their real, offline names and identities, letting them know they were being watched.
Cyber Command had no immediate comment on the report.
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It was the first offensive operation of this kind against Russian Federation, the newspaper notes.
According the Post, Prigozhin responded to questions with a statement published on VK, the Russian equivalent of Facebook: "I can not comment on the work of the Internet Research Agency in any way because I have no relation to it".
The operation is one of the retaliatory measures against Russian Federation that the United States has announced.
Since those indictments, the breadth of the troll farm's activities have come to light.
Many government agencies feared the same thing would happen again in the 2018 elections.
"NBC News has now confirmed that President Trump personally signed off on this offensive cyber operation against a Russian troll farm", NBC News national security reporter Ken Dilanian wrote later on Twitter.