“This was a very significant effort, and I think it’s the case that now we can say pretty clearly that it was the Russians that engaged in this activity,” said Pompeo in an interview with “The Mark Levin Show.”…

Until now the administration has refrained from attributing the operation and President Trump, who has long expressed skepticism that Russia engaged in interference in the 2016 election, has not publicly addressed the issue…

Pompeo did not specify which branch of the Russian government carried out the campaign, but U.S. officials have privately said they believe it is the foreign intelligence service, the SVR, which is a successor organization to the KGB.