The third woman to accuse Judge Brett Kavanaugh of sexual misconduct said in her first on-camera interview that she believes the behavior she claims to have witnessed from him during the 1980s should disqualify him from serving on the Supreme Court.

"He’s going to have that seat for the rest of his life. If he’s going to have that seat legitimately, all these things should be investigated, because from what I experienced first-hand, I don’t think he belongs on the Supreme Court," Julie Swetnick said in a preview of the interview, with Showtime's "The Circus," that aired early Thursday on MSNBC's "Morning Joe."

"I just want the facts to come out, and I want it to be just, and I want the American people to have those facts and judge for themselves," she added.

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The full interview with Swetnick, who was accompanied by attorney Michael Avenatti, will air on Sunday's episode of the Showtime series.

Swetnick signed a declaration that was made public on Wednesday alleging that Kavanaugh and his friends made efforts to intoxicate women at parties in the early 1980s so they could be "gang raped." She claimed that Kavanaugh was present during a "gang rape" of which she was a victim.

Kavanaugh denied the claims, calling them "ridiculous" and saying he does not know who Swetnick is.

Kavanaugh's confirmation has been imperiled in recent weeks by accusations of sexual misconduct.

In addition to Swetnick, Christine Blasey Ford alleged that Kavanaugh pinned her to a bed and groped her during a 1980s high school party, and Deborah Ramirez claimed Kavanaugh exposed himself to her during a college party in the 1980s.

Kavanaugh has denied the claims.

He and Ford are set to testify Thursday before the Senate Judiciary Committee about her allegations.

Swetnick downplayed the timing of her allegation, which was publicized 24 hours before the hearing.

 "It wasn’t that I wanted to come out one day before the hearing," she said. "Circumstances brought it out that way. "This is something that occurred the long time ago. It’s not that I just thought about it, it’s been on my mind ever since the occurrence."