We won't know the extent of Russia's involvement until the investigation has run it's course. 

Fortunately key GOP members of the Senate and House have been outspoken in challenging Trump's views of Russia and its interference in the U.S. election.  Several Republicans, including Sen. John McCain, joined with Democrats to call for an investigation into the matter."

"The Russians are not our friends," Senate Majority Leader Mitch McConnell, R-Ky., told reporters Monday, voicing his support for an inquiry."

"McConnell also appeared to break with Trump in his assessment of the CIA, saying he has "the highest confidence" in the intelligence community and the CIA is "filled with selfless patriots, many of whom anonymously risk their lives for the American people."

https://www.adn.com/nation-world/2016/12/12/dispute-over-russia-reflects-growing-gop-resistance-to-trump/

Drip, drip, drip...