http://www.oyez.org/cases/1851-1900/1865/ U.S. Supreme Court Decisions, presented by The Oyez Project (www.oyez.org) en-us <p>Does a civil court have jurisdiction over a military tribunal?</p><p>Davis, speaking for the Court, held that trials of civilians by presidentially created military commissions are unconstitutional. Martial law cannot exist where the civil courts are operating.</p> http://www.oyez.org/cases/1851-1900/1865/1865_0/