Russia is believed to be stepping up its efforts to gather intelligence inside the U.S., despite ongoing investigations here to determine how much its activities affected the 2016 presidential election.
Citing multiple current and former U.S. intelligence officials on Thursday, CNN reported some 150 suspected Russian operatives are in the U.S. The Obama administration expelled 35 Russian diplomats in December and closed two Russian compounds thought to be connected to election hacking in the heat of the 2016 election.
Vladimir Putin through the years
Vladimir Putin through the years
P362575 05: A class photo with Vladimir Putin, (fourth row, second from left) dated 1966 in St. Petersburg, Russia. (Photo by Laski Diffusion)
368975 01: (AMERICAS ONLY) FILE PHOTO: Russian President Vladimir Putin, right, poses for a photograph in this file photo with his parents Maria and Vladimir Putin in1985 just before his departure to Germany. Putin was sworn in as Russia''s second democratically elected president May 7, 2000, pledging to restore Russia as a great power. (Photo by Laski Diffusion/Newsmakers)
ITAR-TASS: LENINGRAD, USSR. Vladimir Putin seen with his wife Lyudmila and daughter Maria. File photo from family archive was taken in spring 1985. (Photo ITAR-TASS) (Photo by TASS via Getty Images)
St, petersburg mayor anatoly sobchak and austrian chancellor's wife christine vranitzky during a ceremony to name 'austria square' in downtown st, petersburg, austria has pledged to restore the square, future president of russia, vladimir putin, looks on, far left, september 1992. (Photo by: Sovfoto/UIG via Getty Images)
President George Bush meets with President Vladimir Putin at the Catherine Palace in St. Petersburg. Bush was meeting with Putin to thank him for signing the UN resolution demanding disarmament of Iraq. (Photo by ?? Brooks Kraft/CORBIS/Corbis via Getty Images)
KRASNODAR, RUSSIA: Russian acting President Vladimir Putin (L) talks to a boy (R) during his visit to the Children's regional clinic hospital in Krasnodar 11 February 2000. Putin arrived in Krasnodar for a two-day visit to take a part in the All Russia Conference on emergency measures to stabilise and develop the Russian agro-industrial complex. (ELECTRONIC IMAGE) (Photo credit should read SERGEI CHIRIKOV/AFP/Getty Images)
Uzbek president islam karimov helping rf president vladimir putin put on a traditional robe, uzbekistan, december 1999. (Photo by: Sovfoto/UIG via Getty Images)
President George W. Bush and First Lady Laura greet President Vladimir Putin and his wife Lyudmila outside of the Catherine Palace in St. Petersburg. Bush was meeting with Putin to thank him for signing the UN resolution demanding disarmament of Iraq. (Photo by ?? Brooks Kraft/CORBIS/Corbis via Getty Images)
MADRID, SPAIN - JANUARY4: Russian President Vladimir Putin (R) and Spanish Prime Minister Jose Maria Aznar (L) pose with their wives Ludmila Putin (2nd L) and Ana Botella before their lunch at Moncloa Palace June 14. Putin said he had no reason to believe the arrest of media magnate Vladimir Gusinsky was politically motivated but vowed to examine the case, which has stirred stormy protest in Moscow. (Photo credit should read SERGEI KARPUKHIN/AFP/Getty Images)
(GERMANY OUT) Vladimir Putin - Politician, Mayor St. Petersburg, Russia - signs an agreement about the marketing of inventions. Second Mayor and Senator of Economics of Hamburg Hans-Juergen Krupp (right) (Photo by Ambor/ullstein bild via Getty Images)
Moscow, russia, outgoing russian president boris yeltsin (r) shaking hands with russian prime minister and acting president vladimir putin (l) as he leaves moscow's kremlin, the seat of russian power,1999. (Photo by: Sovfoto/UIG via Getty Images)
Russian prime minister vladimir putin seen casting his vote during the elections to the state duma, at the polling station #2026 in moscow's kosygina street,moscow, russia, december 19, 1999. (Photo by: Sovfoto/UIG via Getty Images)
N362234 01: (FILE PHOTO) Russian Prime Minister Vladimir Putin visits Uzbekistan President Islam Karimov on August 16, 1999. President Boris Yeltsin announced on national television Friday, Dec. 31, 1999 that he had resigned and presidential elections will be held within 90 days to replace him. Yeltsin said he was stepping down immediately because he wanted Putin to succeed him. Putin, the country's most popular politician, immediately took control of the government and will serve as acting president until the elections. (photo by Laski Diffusion/Liaison Agency)
SEVEROMORSK, RUSSIA - APRIL 7: Russian President-elect Vladimir Putin watches the tactical exercises of Russia's Northern Fleet in the Barentsevo Sea, 06 April 2000. Vladimir Putin spent the night underwater in a nuclear submarine near the Arctic Circle. (Photo credit should read AFP/AFP/Getty Images)
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The suspected operatives currently in the U.S. are said to be engaged in a number of activities, including collecting information on the Trump administration. Steve Hall, former chief of operations at the CIA. told CNN that move is indicative of a "deterioration of relations" between rival nations.
"The espionage and intelligence collection part becomes that much more important as they try to determine the plans and intentions of the adversarial government," Hall said.
The operatives were also believed to be searching for inroads among people in the U.S. "who can provide access to classified information," and in some cases, obtaining temporary duty visas to secure employment at businesses that manage private information.
The State Department has continued issuing temporary duty visas to Russian travelers, CNN reported, citing intelligence officials — despite the assessment of several U.S. intelligence agencies that Russia meddled in the 2016 election and hacked Democratic Party organizations — and despite the Kremlin's apparent increased activities inside the US post-election.
Without commenting specifically on the visas, a State Department official told the news network, "Where we do not see eye to eye with Russia, the United States will continue to stand up for the interests and values of America, our allies and our partners."