<Li> National War College </Li> <Tr> <Th> Profession </Th> <Td> Diplomat, lawyer </Td> </Tr> <P> John Christopher Stevens (April 18, 1960--September 11, 2012) was an American career diplomat and lawyer who served as the U.S. Ambassador to Libya from May 22, 2012 to September 11, 2012 . Stevens was killed when the U.S. Special Mission in Benghazi, Libya, was attacked by militants on September 11--12, 2012 . </P> <P> Stevens was the eighth U.S. Ambassador to be killed while in office . </P>

U.s. ambassador killed in the line of duty