CNN
Now playing
00:49
McMaster responds to Russian indictments
Getty Images
Now playing
02:07
Trump to declassify documents in Russia probe
CNN
Now playing
02:04
Starr: Mueller is getting closer to the truth
CNN
Now playing
02:35
Giuliani: Trump, Comey never discussed Flynn
Getty Images
Now playing
01:24
Trump calls on Sessions to end Mueller probe
Now playing
01:10
Giuliani: Not sure colluding is a crime
conspiracy collusion explainer orig mg_00005015.jpg
Shutterstock
conspiracy collusion explainer orig mg_00005015.jpg
Now playing
01:01
Difference between conspiracy and collusion
Fox News Channel
Now playing
02:57
Putin denies Russia interfered in US election
McNamee/Dunham/Getty Images
Now playing
01:50
Trump deflects question over Russia indictments
WASHINGTON, DC - JUNE 21:  Special counsel Robert Mueller (2nd L) leaves after a closed meeting with members of the Senate Judiciary Committee June 21, 2017 at the Capitol in Washington, DC. The committee meets with Mueller to discuss the firing of former FBI Director James Comey.  (Photo by Alex Wong/Getty Images)
Alex Wong/Getty Images
WASHINGTON, DC - JUNE 21: Special counsel Robert Mueller (2nd L) leaves after a closed meeting with members of the Senate Judiciary Committee June 21, 2017 at the Capitol in Washington, DC. The committee meets with Mueller to discuss the firing of former FBI Director James Comey. (Photo by Alex Wong/Getty Images)
Now playing
00:58
Podesta mocks Trump: Mueller caught the witches
CNN
Now playing
01:54
Stone: Think I'm probably person in indictment
dana bash reax
CNN
dana bash reax
Now playing
01:36
Bash on DNC hacking: This is a major crime
Pool
Now playing
02:34
Rosenstein: Think as Americans, not partisans
Now playing
01:39
Dem: Strzok hearing was about political theater
US President Donald Trump (L) chats with Russia's President Vladimir Putin as they attend the APEC Economic Leaders' Meeting, part of the Asia-Pacific Economic Cooperation (APEC) leaders' summit in the central Vietnamese city of Danang on November 11, 2017. / AFP PHOTO / SPUTNIK / Mikhail KLIMENTYEV        (Photo credit should read MIKHAIL KLIMENTYEV/AFP/Getty Images)
MIKHAIL KLIMENTYEV/AFP/Getty Images
US President Donald Trump (L) chats with Russia's President Vladimir Putin as they attend the APEC Economic Leaders' Meeting, part of the Asia-Pacific Economic Cooperation (APEC) leaders' summit in the central Vietnamese city of Danang on November 11, 2017. / AFP PHOTO / SPUTNIK / Mikhail KLIMENTYEV (Photo credit should read MIKHAIL KLIMENTYEV/AFP/Getty Images)
Now playing
02:49
Senate panel agrees Putin tried to help Trump
trey gowdy
trey gowdy
Now playing
02:03
Gowdy on Russia investigation: Finish the hell up
(CNN) —  

Evidence of Russian meddling in the 2016 election is “now really incontrovertible,” White House National Security Advisor H.R. McMaster said Saturday.

“As you can see with the FBI indictment, the evidence is now really incontrovertible and available in the public domain, whereas in the past it was difficult to attribute for a couple of reasons,” McMaster said while speaking at the Munich Security Conference just a day after the Justice Department announced several indictments in special counsel Robert Mueller’s investigation into Russian interference.

McMaster has said previously it had been difficult to say definitively because “technically it was difficult” but “also you didn’t want to divulge your intelligence capabilities.”

“But now that this is in the arena of a law enforcement investigation it’s going to be very apparent to everyone,” McMaster said.

He said that despite the evidence Russia attempted to interfere, he believed it may “reevaluate what it’s doing,” adding, “All that has done is appeal to those big fringes while uniting all of our politics actually against Russia and Russian interference.”

On Friday, the DOJ announced charges against 13 Russian nationals and three Russian entities for allegedly meddling in the 2016 election. The charges included conspiracy to defraud the United States. Three defendants were also charged with conspiracy to commit wire fraud and bank fraud, and five defendants with aggravated identity theft.

The indictments come as part of Mueller’s larger investigation looking into possible ties between President Donald Trump’s campaign associates and Russia. Trump has repeatedly denied any collusion.

Earlier this week, CNN reported that even amid several intelligence officials expressing to a Senate panel that Russia had interfered in 2016 and had plans for 2018, Trump was still not convinced on the matter, according to three sources familiar with the President’s thinking.

After the Justice Department’s Friday announcement, Trump tweeted: “Russia started their anti-US campaign in 2014, long before I announced that I would run for President. The results of the election were not impacted. The Trump campaign did nothing wrong - no collusion!”

CNN’s Lauren Kent, Kara Scannell, David Shortell and Veronica Stracqualursi, Sara Murray and Jeremy Herb contributed to this report.