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 Transportation Security Administration and the Justice Department declined comment , as is custom in a pending legal case . The U.S. Supreme Court will hear arguments in the case .
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 .