IN RE GRAND JURY INVESTIGATION

Attorney(s) appearing for the Case

Paul D. Kamenar , Washington, DC, argued the cause and filed the briefs for appellant.

James C. Martin , Pittsburgh, PA, argued the cause for amicus curiae Concord Management and Consulting LLC in support of appellant. With him on the briefs were Colin E. Wrabley , Pittsburgh, PA, Eric A. Dubelier , and Katherine J. Seikaly , McLean, VA.

Montgomery Blair Sibley , Corning, NY, was on the brief for amicus curiae Montgomery Blair Sibley in support of appellant.

Michael R. Dreeben , Attorney, U.S. Department of Justice, argued the cause for appellee. With him on the brief were Robert S. Mueller, III , Special Counsel, and Jeannie S. Rhee , and Adam C. Jed , Attorneys.

Elizabeth B. Wydra , Washington, DC and Ashwin P. Phatak , were on the brief for amici curiae Constitutional and Administrative Law Scholars in support of appellee.

Before: Henderson, Rogers and Srinivasan, Circuit Judges.