london brexit campaigner nigel farage person interest u.s. investigation possible collusion russia donald trump presidential campaign guardian report thursday cite unidentified source london-based newspaper say farage accuse wrongdoing suspect target u.s. investigation say right middle relationships look newspaper say former leader uk independence party raise interest fbi investigators due connections trump julian assange wikileaks publish leak email democratic national committee campaign fbi spokeswoman decline comment guardian story u.s. officials say unaware serious fbi interest farage farage say twitter take long time read guardian article laugh much fake news hysterical attempt associate vladimir putin regime result liberal elite unable accept brexit trump say consider extremely doubtful could person interest fbi connections russia accusations russia interfere u.s. 2016 presidential election dog trump since enter office former fbi chief robert mueller name special counsel investigate collusion u.s. intelligence agencies conclude russia use computer hack propaganda mislead news report design sway political opinion attempt boost trump chance win white house trump dismiss notion russia play role november election victory kremlin chief vladimir putin former kgb spy deny meddle u.s. election cia director mike pompeo call assange wikileaks hostile intelligence service april distribute material hack democratic national committee computers 2016 campaign pompeo say russia gru military intelligence service use wikileaks distribute material conclude russia steal email take action tilt election favor trump republican democratic candidate hillary clinton one things intelligence investigators look point contact persons involve guardian quote one source say triangulate russia wikileaks assange trump associate person come hit nigel farage right middle relationships turn lot attention pay him farage campaign decades britain leave european union vocal backer trump appear campaign trail meet new york days election victory farage also attend trump inauguration washington meet assange march year ecuadorean embassy london wikileaks founder hole five years uk 's farage 'person interest trump-russia investigation guardian