One of the men Rep. Nancy Mace (R-SC) accused of sexual abuse in a fiery speech on the House floor last month is suing the congresswoman for defamation, a test of legal rules that members of Congress say protect remarks in the chamber.

One of the four men accused of sexual abuse by Rep. Nancy Mace (R-SC) in a speech on the floor of the House of Representatives is suing the congresswoman for defamation in a case set to test the speech or debate clause of the U.

Brian Musgrave, one of the four men Mace accused of filming acts of sexual assault in a House floor speech last month, sued Mace for libel and defamation in federal court.