washington organization establish u.s. president donald trump transition white house say saturday special counsel investigate allegations russian meddle 2016 election obtain tens thousands email unlawfully kory langhofer counsel transition team know trump america inc. tfa write letter congressional committees say special counsel robert mueller team improperly receive email general service administration gsa government agency career staff members agency unlawfully produce tfa private materials include privilege communications special counsel office accord letter copy see reuters say materials include tens thousands email trump transition team use facilities gsa help manage u.s. government bureaucracy period republican november presidential election victory inauguration january trump team accusation add grow friction president supporters mueller office investigate whether russia interfere election trump anyone team collude moscow ask comment white house spokeswoman sarah sanders say continue cooperate fully special counsel expect process wrap soon special counsel office wave transition team complaint obtain email course ongoing criminal investigation secure either account owner consent appropriate criminal process say peter carr spokesman special counsel office gsa respond immediately request comment democrats say wide-ranging effort president ally capitol hill media outlets discredit mueller investigation trump loudly declare mueller effort waste time absolutely collusion prove trump tell reporters friday russia deny interfere election friday representative adam schiff top democrat house representatives intelligence committee say fear committee republican majority intend close investigation topic prematurely republicans argue mueller bias trump fire langhofer letter send u.s. senate committee homeland security government affairs u.s. house committee oversight government reform ask congress act immediately protect future presidential transition private record misappropriate government agencies particularly context sensitive investigations intersect political motives letter say mueller office obtain email despite fact aware gsa control record say special counsel office extensively use materials question include portion susceptible claim privilege without notify trump america team transition team number aid late catch mueller investigation former national security adviser michael flynn flynn plead guilty month lie fbi contact russia langhofer trump transition team lawyer write letter gsa transfer materials discover dec. 12 13. fbi request materials gsa staff aug. 23 ask copy email laptops cell phone materials associate nine members trump transition team responsible national security policy matter letter say fbi request materials four additional senior members trump transition team aug. 30 say langhofer argue transition team involve executive function consider private non-profit organizations whose record private subject presidential record laws trump ally say mueller unlawfully obtain thousands email