Sen. Ben SasseBen SassePresident of newly recognized union for adult performers boosts membership Romney blasts Biden over those left in Afghanistan: 'Bring them home' Progressives breathe sigh of relief after Afghan withdrawal MORE (R-Neb.) said Friday that special counsel Robert MuellerRobert (Bob) MuellerSenate Democrats urge Garland not to fight court order to release Trump obstruction memo Why a special counsel is guaranteed if Biden chooses Yates, Cuomo or Jones as AG Barr taps attorney investigating Russia probe origins as special counsel MORE "put Moscow on notice" with his investigative team's indictment of Russian individuals and entities who allegedly tried to sway the 2016 U.S. presidential election.
“Mueller just put Moscow on notice. This ought to be a wakeup call to Washington: Putin’s shadow war is aimed at undermining Americans’ trust in our institutions. We know Russia is coming back in 2018 and 2020 – we have to take this threat seriously," Sasse said in a statement.
Mueller's team brought charges against three Russian entities and 13 Russian nationals, alleging Russians took on the identities of real U.S. citizens to interfere in the 2016 election, an assessment similar to that previously reached by the U.S. intelligence community.
The special counsel's team said in the indictment the efforts were aimed at helping President TrumpDonald TrumpUkraine's president compares UN to 'a retired superhero' Collins to endorse LePage in Maine governor comeback bid Heller won't say if Biden won election MORE's campaign and harming his opponent Hillary ClintonHillary Diane Rodham ClintonHeller won't say if Biden won election Whitmer trailing GOP challenger by 6 points in Michigan governor race: poll GOP political operatives indicted over illegal campaign contribution from Russian national in 2016 MORE, and that Russian operatives allegedly communicated with "unwitting individuals" associated with the Trump campaign.
Sasse, a member of the Senate Armed Services Committee, said in May that Russian tampering in American democracy "keeps me up at night" in regards to upcoming elections in 2018 and 2020.
“We know what the Russians are trying to do. We know that the technology around info-ops is getting better and better," he told NPR at the time.
Top U.S. intelligence officials testified before the Senate this week that intelligence agencies are expecting continued influence efforts by Russia in the upcoming 2018 midterm elections.