Marine reservist nabbed last week may have shot up Museum of the Marine Corps
                                
                                
                                    (Newser) -
                                    And the plot thickens: Ballistic evidence indicates that the man  arrested at Arlington National Cemetery  last week may also be the man who fired shots at the  Pentagon , the  National Museum of the Marine Corps  and a  Marine recruiting office  in October, authorities said today. The suspect, Yonathan Melaku, is...