The probe, likely to be rigorous, would be carried out behind closed doors by the Senate Ethics Committee's professional, nonpartisan staff. It could take months, and might come up empty or conclude with an "admonishment" — essentially a slap on the wrist. The committee could also recommend that the full Senate vote on a motion to "censure" Moore or expel him from Congress. “If he were to be elected, he would immediately have an issue with the Ethics Committee that they would take up,” Senate Majority Leader Mitch McConnell, R-Ky., told reporters Tuesday during a Capitol Hill news conference.