CNN's political director suggested Thursday that Supreme Court nominee Brett Kavanaugh is likely to be confirmed after Sen. Susan Collins Susan Margaret CollinsSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-Maine) voiced approval of how the FBI conducted its supplementary investigation into sexual misconduct allegations against the judge.

"I think the ballgame’s over here," CNN political director David Chalian said on the network after Collins said the FBI's review appeared to be "very thorough."

"I think that’s why … Susan Collins's statement is a hugely significant moment, because the entire argument from the Democratic side about the investigation was that it wasn’t thorough, that it wasn’t complete," Chalian added.

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Chalian and anchor Kate Bolduan noted that Collins and Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (R-Ariz.), two key GOP swing votes on Kavanaugh's nomination, had previously expressed concerns about how the allegations against him were being handled.

Flake on Thursday told reporters that the FBI review found "no additional corroborating information" about the claims against Kavanaugh.

With both senators essentially giving the FBI investigation a stamp of approval, it appears extremely unlikely either one would use that as a reason to vote against Kavanaugh.

"We don’t know [Collins's] vote, but I think every indication right there … [is] this is moving toward Kavanaugh’s confirmation," Chalian said.

Senators on Thursday reviewed the FBI's findings from its supplementary investigation into allegations against Kavanaugh. The bureau was tasked with looking into credible allegations against the judge after three women accused him of varying degrees of sexual misconduct.

Kavanaugh has denied all of the allegations.

Calls for an investigation reached a fever pitch following Christine Blasey Ford's testimony last week that Kavanaugh pinned her to a bed and groped her during a party in the 1980s.

The White House said the FBI contacted 10 people for its investigation, and spoke with nine of them.

Democrats have been critical of the review, saying it has not been thorough and noting that agents did not speak with Ford or Kavanaugh.