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.

A man Rep. Nancy Mace (R-S.C.) accused of being part of a group of “predators” in a stunning House floor speech is suing her for defamation. The complaint, filed Friday in federal court, sets up a battle over the Constitution’s Speech and Debate Clause,

Nancy Mace (R-S.C.) is facing a defamation lawsuit filed by one of the four men she has publicly accused of sexual abuse in a floor speech, in a case that could test the legal protections members of Congress have for their official conduct.