washington u.s. president donald trump son-in-law close adviser jar kushner least three previously undisclosed contact russian ambassador unite state 2016 presidential campaign seven current former u.s. officials tell reuters contact include two phone call april november last year two source say early year kushner become focus fbi investigation whether collusion trump campaign kremlin say two source one current one former law enforcement official kushner initially come attention fbi investigators last year begin scrutinize former national security adviser michael flynn connections russian officials two source say fbi investigate kushner contact russia currently target investigation current law enforcement official say new information two call well detail uncover reuters shed light kushner first attract fbi attention show contact russian envoy sergei kislyak extensive white house acknowledge nbc news report thursday kushner scrutiny fbi first sign investigation begin last july reach president inner circle fbi decline comment russian embassy say policy comment individual diplomatic contact white house respond request comment kushner attorney jamie gorelick say kushner remember call kislyak april november mr kushner participate thousands call time period recollection call describe ask reuters date allege call may look respond receive information say march white house say kushner flynn meet kislyak trump tower december establish line communication kislyak also attend trump campaign speech washington april 2016 kushner attend white house acknowledge contact kushner russian officials election kislyak undisclosed discussions kushner flynn focus fight terrorism improve u.s.-russian economic relations six source say former president barack obama impose sanction russia seize crimea start support separatists eastern ukraine 2014. nov. election kushner flynn also discuss kislyak idea create back channel trump russian president vladimir putin could bypass diplomats intelligence agencies two source say reuters unable determine discussions conduct exactly take place reuters first report last week proposal back channel discuss flynn kislyak trump prepare take office washington post first report friday kushner participate conversation separately least 18 undisclosed call email trump associate kremlin-linked people seven months nov. presidential election include six call kislyak source tell reuters early month. two people familiar 18 contact say flynn kushner among trump associate speak ambassador telephone reuters previously report flynn involvement discussions six source say multiple contact kushner kislyak decline give detail beyond two phone call april november post-election conversation set back channel also clear whether kushner engage kislyak trump aid fbi scrutiny kushner begin intelligence report flynn contact russians include mention u.s. citizens whose name redact u.s. privacy laws prompt investigators ask u.s. intelligence agencies reveal name americans current u.s. law enforcement official say kushner one name reveal official say prompt close look president son-in-law deal kislyak russians fbi investigators examine whether russians suggest kushner trump aid relax economic sanction would allow russian bank offer finance people tie trump say current u.s. law enforcement official head russian state-owned vnesheconombank sergei nikolaevich gorkov train intelligence officer putin appoint meet kushner trump tower december bank u.s. sanction implicate 2015 espionage case one new york executives plead guilty spy jail bank say statement march meet kushner along representatives u.s. bank business part prepare new corporate strategy officials familiar intelligence contact russians trump advisers say far see evidence wrongdoing collusion trump camp kremlin moreover say nothing find far indicate trump authorize even aware contact may anything improper contact current law enforcement official stress kushner offer march interview senate intelligence committee also investigate russia attempt interfere last year election contact trump campaign associate russian officials presidential campaign coincide u.s. intelligence agencies conclude kremlin effort computer hack fake news propaganda boost trump chance win white house damage democratic opponent hillary clinton exclusive trump son-in-law undisclosed contact russian envoy source