A grand jury declined to indict an off-duty police officer who fatally killed another driver in a road rage shooting last year. Officer Sean Sawyer waited 19 hours before turning himself in for the October 2007 shooting of Jayson Tirado. An accident on the FDR forced cars to exit, and Tirado had apparently refused to let him merge in a lane off the FDR (closed due to an accident) and later cut him off on......