may 23 story correct name fox business network second paragraph julia edwards ainsley washington president donald trump tap longtime legal adviser serve private attorney special counsel investigate whether campaign work russia last year election source familiar decision tell reuters tuesday fox business network abc first report trump hire marc kasowitz new york-based trial lawyer know tenacious litigator represent justice department investigation head former federal bureau investigation director robert mueller appointment private attorney may indicate trump seriously consider impact federal investigation could personally may wish protect others administration turn source say kasowitz expect bring lawyers work team protect trump candidates job include brendan sullivan robert giuffra withdraw name consideration source say aggressive get sure say john quinn quinn emanuel urquhart sullivan work opposite kasowitz also smooth silk respectful deferential kasowitz white house immediately respond request comment reuters kasowitz represent trump 15 years know criminal defense lawyer last year presidential campaign kasowitz threaten sue new york time retract story women accuse trump touch inappropriately time retract story also assist defense fraud claim trump university series real-estate seminars election trump settle claim 25 million trump look kasowitz firm fill position administration describe former senator joseph lieberman senior counsel firm top candidate serve fbi director consider edward mcnally white-collar defense lawyer firm next u.s. attorney manhattan former partner firm david friedman choose trump u.s. ambassador israel kasowitz also represent ojsc sberbank russia country large bank accuse u.s. federal court conspire granite company executives others raid assets competitor outside counsel would separate white house counsel office lead donald mcgahn mueller appoint special counsel justice department last week investigate trump campaign possible tie russia several congressional committees fbi also investigate matter u.s. intelligence agencies conclude january moscow try sway november vote trump favor russia deny involvement trump deny collusion campaign russia controversy engulf trump since fire fbi director jam comey two weeks ago comey oversee investigation possible collusion presidential campaign russia trump retain marc kasowitz private attorney russia probe source