S.C., alleged “some of the most heinous crimes against women imaginable” were committed by her ex-fiancé and three other men, all of whom denied the accusations.

Rep. Nancy Mace of South Carolina, in a nearly hour-long speech on the U.S. House floor Monday, accused her ex-fiancé of physically abusing her, recording sex acts with her and others without their consent, and conspiring with business associates in acts of rape and sexual misconduct.

The South Carolina Republican used her floor privileges to lodge shocking accusations against her former fiancé and three other men.

In a nearly hour long speech on the House floor, Rep. Nancy Mace accused her ex-fiance and three other men of “heinous crimes against women.” All four men have vehemently denied the allegations. NBC News’ Ryan Nobles reports.

Her former fiancé Patrick Bryant "categorically" denied the allegations to the South Carolina Daily Gazette newspaper.

As Rep. Nancy Mace prepared to speak, she took out a Bible and — as if she were in a courtroom, instead of on the House floor — she placed her right hand and swore to tell the “whole truth.”

U.S. Representative Nancy Mace, in a graphic speech on the House floor, has accused her former fiancé and three other men of drugging and raping her and other women, and filming and photographing women and underage girls without their consent.

Timeline: SC Congresswoman Nancy Mace made a stunning allegation of sexual abuse, drugging and illegal recordings of women in a speech on the House floor.