Sen. Al Franken Alan (Al) Stuart FrankenGOP Senate candidate says Trump, Republicans will surprise in Minnesota Peterson faces fight of his career in deep-red Minnesota district Getting tight — the psychology of cancel culture MORE (D-Minn.) said he thinks White House senior adviser Jared Kushner's security clearance should be reviewed, following reports that President Trump's son-in-law sought to establish secret "backchannel" communications with Moscow.

"I think we should look at that," Franken said during a Tuesday interview on CBS's "This Morning" when asked whether Kushner's security clearance should be taken away.

"This is a pretty bad breach. Look, they — these guys, the administration, they're not acting like people who have nothing to hide."

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Franken's comments come after the Washington Post reported Friday that Kushner sought in December to establish a backchannel line of communication between the Trump transition team and Moscow.

Franken said during the interview that it's important to follow the facts to come to a conclusion about what happened.

"We have a special prosecutor, we have the intelligence committees in both the House and the Senate that are looking at this," he said.

"We have to see where the facts lead us."

Kushner's request for a back channel came during a meeting with Russian Ambassador Sergey Kislyak.

Rep. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (D-Calif.), the ranking Democrat on the House Intelligence Committee, said Sunday that there should be a review of Kushner's security clearance, but stopped short of agreeing with critics who say Kushner's security clearance should be revoked.

Trump said Monday that he has "total confidence" in Kushner.