The U.S. Supreme Court has declined to settle a split among federal appeal courts on whether former employees are covered by whistleblower anti-retaliation protections contained in the False Claims Act (FCA). United States ex rel. David Felten v. William Beaumont Hosp., 993 F.3d 428 (6th Cir. 2021), cert. denied, No. 21-443 (U.S. Jan. 24, 2022).