When the moderators pressed the Senator on the complaint after she tried to change the subject, she responded:
In a rather remarkable moment in a U.S. Senate debate in Massachusetts Tuesday, Democratic Sen. Elizabeth Warren learned for the first time that an ethics complaint has been filed against her for having fundraised off of Brett Kavanaugh's confirmation hearings.
The Foundation for Accountability and Civic Trust were the ones who filed the complaint:
"Then, then I will, I will check into it, but I don’t know," said a flustered Warren.
Senator Kamala Harris was also included in the complaint. It seems that Senator Warren was too busy proving her Native American heritage and fundraising to follow the rules.
The Foundation for Accountability and Civic Trust (FACT) sent the complaint to the Senate Select Committee on Ethics chair and vice chair on Monday. The complaint alleges that Sens. Warren and Kamala Harris violated "the Senate Ethics prohibition against linking a promise of official action to a solicitation of campaign contributions" (full text of complaint below):
Senators Warren and Harris sent campaign fundraising emails based upon their official actions during the confirmation process and upcoming vote of Supreme Court Justice Brett Kavanaugh. Senator Warren’s fundraising email stated her position on the ongoing hearing and “demand to delay the confirmation vote.” The email then states: “Elizabeth Warren is running for reelection in 2018 . . DONATE NOW.” Senator Harris sent numerous emails fundraising based upon her official duties. For instance, one of Harris’s fundraising emails stated she “question[ed] Judge Kavanaugh during his Supreme Court confirmation hearings” and indicates her position on the confirmation. Then she requested a contribution with a “CONTRIBUTE” button. Both Senators’ emails were sent during the confirmation process and before the Senators were to vote, and their requested campaign donations were intertwined with their official duties as Senators.