RICHMOND, Va. - A Fourth Circuit U.S. Court of Appeals panel on Feb. 21 held that a relator who sued his former employer for allegedly filing false Medicare and Medicaid claims failed to allege that the defendants made a false statement or that they acted with the necessary scienter. The appeals court also affirmed that the lower court did not abuse its discretion in denying the relator's request to file a third amended complaint (United States ex rel. Barry Rostholder v. Omnicare Inc., et al., No. 12-2431, 4th Cir.; 2015 U.S. App. LEXIS 3269).