In U.S. ex rel. Williams v. McKesson Corp., No. 3:12-CV-0371-B (N.D. Tex. July 9, 2014), a Texas federal court recently dismissed a qui tam whistleblower suit by a former employee of McKesson, a Texas-based entity that provides billing-related services to the health care industry, holding that the former employee failed to establish “the existence of a false or fraudulent claim submitted to the government for payment.”