Sen. Lindsey Graham Lindsey Olin GrahamSenate 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-S.C.) said late Tuesday that Sen. Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.) owes Supreme Court nominee Brett Kavanaugh an apology for being part of a "smear campaign" launched against him.

"This is the one that bothers me the most. [Kavanugh] apologized to Amy Klobuchar for snapping at her. What would you do if you were accused of all these things, had your life ruined?" Graham asked on Fox News, referencing the exchange between Kavanaugh and Klobuchar last week as he testified before the Senate Judiciary Committee.

“Here’s what I think,” Graham add. “Amy Klobuchar should apologize to Kavanaugh and his family for being part of a smear campaign that I haven’t seen for over 20 years in politics.”

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The comments from Graham came days after Kavanaugh and Klobuchar engaged in a heated exchange as he testified about a sexual assault allegation brought against him by Christine Blasey Ford. Ford alleges Kavanaugh sexually assaulted her at a high school party in the 1980s. He has denied all allegations against him.

Klobuchar asked Kavanaugh if he had ever consumed so much alcohol that he blacked out.

But Kavanaugh turned the question around and asked the Minnesota senator, “Have you?”

Kavanaugh later apologized for the response, saying that the process had been especially tough on him.

Klobuchar said she appreciated the apology. But she slammed his temperament a day later, saying that if she “was in [Kavanaugh's] courtroom and acted like that, he would have thrown me out.”

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Graham has repeatedly denounced Democrats for how they have handled sexual misconduct allegations brought against Kavanaugh. He said earlier this week that "taking Kavanaugh down would unleash forces from the darkest side of American politics in perpetuity."

He's also claimed that Democratic senators in red states will be "toast" if they vote against Kavanaugh.

The FBI is currently conducting an investigation into sexual misconduct allegations against Kavanaugh. Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Senate GOP aims to confirm Trump court pick by Oct. 29: report Trump argues full Supreme Court needed to settle potential election disputes MORE (R-Ky.) has said that a vote on Kavanaugh's confirmation will take place this week.