Robert MacLean was fired as a federal air marshal in 2006 . The U.S. Attorney's Office for the District of Columbia said it is reviewing whether to file criminal charges against MacLean. MacLean says he revealed scheduled cutbacks in air marshals on long-distance flights . The U.S. Supreme Court will hear arguments in the case .
Robert MacLean was fired as a federal air marshal in 2006 . The TSA says he leaked `` Sensitive Security Information '' to the media . MacLean says he revealed scheduled cutbacks in air marshals on long-distance flights . The U.S. Supreme Court will hear arguments in the case .