washington u.s. state department investigators last year issue subpoena bill hillary chelsea clinton foundation seek document project run charity may require u.s. government approval hillary clinton secretary state washington post report thursday u.s. official say matter investigate inspector general state department internal watchdog cite unnamed source report post say subpoena issue fall also ask record relate senior clinton aide huma abedin six months 2012 simultaneously work several employers include state department foundation clinton personal office report follow reuters investigation last year find clinton foundation flagship health project submit new increase payments least seven foreign governments state department review breach ethics agreement clinton sign incoming obama administration order become secretary state clinton run democratic nomination nov. presidential election criticize use private email account host private computer secretary state 2009 2013 matter fbi investigate spokesmen clinton campaign clinton foundation lawyer abedin immediately respond reuters request comment spokesman inspector general also decline comment post quote unnamed foundation representative say initial document request narrow investigators foundation focus probe say indication investigators look clinton full scope status inquiry conduct state department inspector general clear material correspondence review washington post paper say source familiar investigations controversy surround clinton private email server say reason believe government agency conduct kind inquiry possible criminal violations relate former secretary state state dept subpoena document clinton foundation report