brasilia three senior brazilian law enforcement officials include former prosecutor general say new leaders federal police prosecutors offices curb anti-corruption drive challenge centuries impunity latin america big country rodrigo janot mid-september brazil prosecutor general remain influential senior prosecutor tell reuters week believe president michel temer charge three different count corruption appoint new head federal police specifically divert graft investigations separately two senior law enforcement officials say raquel dodge janot replacement prosecutor general tell senior prosecutors capital brasilia shift away corruption probe stop talk publicly anti-graft efforts statement president office say police chief appoint consultations police force criticize suggestions new director would hind investigations someone ill-informed ill-intentioned could suppose interference investigations possible temer office say spokeswoman dodge say new prosecutor general vigorously combat corruption numerous front fernando segovia new police director email reuters say office strengthen fight corruption brazil crackdown graft recent years lead dozens convictions senior politicians government officials corporate executives inspire many brazilians believe longstanding culture impunity change also help spawn similar crackdowns elsewhere latin america brazil congress recently shield temer charge investigators prosecutors say elect officials find ways outmaneuver especially seek elections next year retain seat give constitutional safeguard prosecution sprawl nature many brazil inquiries conduct investigators dozens far-flung offices would make concert effort derail difficult corruption experts say janot dissent grow criticism express senior officials reveal grow rift top level brazilian law enforcement time investigators believe temer congressional ally quash landmark investigations time speak janot tell reuters effort vain effort include operation car wash several major investigations involve probe kickbacks private construction firm government officials politicians exchange public work contract uncover billions dollars worth illicit payments lead share evidence 40 countries many launch probe convict officials base brazilian investigators find rare two-hour interview brasilia janot especially critical segovia appointment head federal police spearhead car wash investigations 61-year-old prosecutor step prosecutor general second two term office expire september say believe segovia name complete mission divert focus investigations janot cite public commentary make new police chief include segovia criticism prosecutors investigations press conference shortly take office statements make appear select mission discredit investigation janot add segovia 48 spend two decades force email say seek strengthen investigations crimes public coffers involve corruption make clear public statements broaden strengthen operation car wash add new police chief appoint strong support temer rule brazilian democratic movement party pmdb appointment surprise within federal police segovia never hold consider one force major post accord investigators law enforcement experts press conference nov. 20 ten days new job segovia criticize prosecutors case temer call rush investigation belittle evidence include video shoot federal police temer aide accept bag 500,000 reais 150,000 cash single bag provide criminal evidence need segovia say prompt widespread scorn brazilian press social media deny statements make new director federal police extremely unfortunate read editorial folha de s. paulo brazil large newspaper afterward dodge take office sept 19 widely criticize police prosecutors many others brazil fail speech acknowledge historic car wash probe two senior law enforcement officials request remain anonymous say new prosecutor general tell prosecutors shift focus graft dodge also tell prosecutors stop use word corruption much public say prosecutor general spokeswoman respond question whether dodge tell prosecutors avoid word corruption whether tell prosecutors de-emphasize graft case janot decline comment dodge deal prosecutors say professional respectful relationship successor although early tenure dodge segovia prosecutors police investigators say already see significant slowdown procedures necessary pursue case janot instance say dodge office file far less paperwork brazil supreme court would expect give caseload take paperwork key step many big investigations top court authorize probe involve elect federal officials spokeswoman top court respond request comment volume paperwork term expire prosecutor general office year send average 302 request relate car wash corruption investigations supreme court month janot say dodge office say file total 450 request since take office mid-september represent average 180 per month roughly 40 percent drop experts say soon know whether shift away corruption investigations underway even possible orchestrate particularly number investigators pursue case across brazil time need say evaluate dodge administration even dodge segovia strategically appoint stop create delay investigations doubt would succeed process become decentralize say carlos pereira professor public administration getulio vargas foundation rio de janeiro lead expert corruption still involve ongoing case trouble prospect slowdown particularly national elections loom next october would prolong constitutional protections many office-holders face charge risk increase exponentially elections approach say carlos lima top regional prosecutor curitiba southern city car wash investigations begin conversation reuters janot criticize segovia support temer ally also face investigations charge person close tie people investigation charge say allow run institution size importance federal police janot say email segovia say type political party tie pmdb political party temer repeatedly deny wrongdoing stave prosecution largely ally low house congress must authorize charge sit president vote vote outrage many brazilians vote charge congress also investigate temer still face charge leave federal elect office pushback congressional committee investigate federal prosecutors carry probe temer go investigate always investigate us say carlos marun pmdb congressman temer ally dance low house floor vote send president trial marun face corruption trial home state mato grosso sul deny wrongdoing exclusive former top brazil prosecutor say successor police chief slow graft probe