A sonic boom over Washington: Breaking down the Cessna 560 Citation plane crash in Virginia

A pair of U.S. F-16 fighter jets caused a thundering sonic boom over Washington, D.C., as they tried and failed to contact the unresponsive pilot of a private Cessna jet that wandered into restricted airspace Sunday. The Cessna later lost altitude and crashed in a rural area of Virginia. It's not yet known why the plane was over Washington, but it's possible a loss of cabin pressure rendered the pilot and passengers unconscious, the plane's owner said. The autopilot may have taken control. The F-16s were scrambled from Joint Base...