istanbul u.s. case turkish gold trader accuse evade u.s. sanction iran base evidence fabricate network muslim cleric ankara blame last year coup attempt turkey foreign minister say friday mevlut cavusoglu say case trader reza zarrab show extent followers u.s.-based cleric fethullah gulen infiltrate american state institutions include judiciary overseas missions zarrab case complicate already strain relations unite state turkey members nato military alliance u.s. prosecutors charge wealthy iranian-born zarrab allege co-conspirators handle hundreds millions dollars iran government iranian entities 2010 2015 scheme evade u.s. sanction nine people criminally charge zarrab banker turkey halkbank mehmet hakan atilla u.s. custody due go trial nov. 27 plead guilty look indictment mr zarrab exactly one feto actually prepare turkey 2013 cavusoglu tell reporters brief istanbul use government term gulen network case much feto-motivated one sure indictments file fabricate take back unite state turkish investigation become public 2013 prosecutors accuse zarrab high-ranking turkish officials involvement facilitate iranian money transfer via gold smuggle leak document time show erdogan prime minister cast case coup attempt orchestrate political enemies several prosecutors remove case police investigators reassign investigation late drop turkey blame gulen followers july 2016 fail coup group rogue soldier attempt overthrow government kill 250 people gulen live self-imposed exile unite state since 1999 deny involvement condemn coup turkey repeatedly request gulen extradition u.s. officials say court require sufficient evidence extradite elderly cleric unite state say judiciary independent political interference cavusoglu say inform u.s. secretary state rex tillerson ankara see gulenists attempt spread influence tell openly believe feto infiltrate missions turkey local staff halkbank case zarrab case much feto-motivated ones open make comment cavusoglu say last month turkey arrest local employee work u.s. consulate istanbul allege link gulen network prompt angry reaction washington lead countries scale back visa service provide nationals nov. ankara washington say would resume visa service limit basis although tie remain strain nl8n1nm6xb turkey say gulen network behind u.s. case turkish trader