Mushure mekunge Mutemo weRacketeer Influenced and Corrupt Organizations Act, kana kuti RICO Act, watanga kushanda, FBI yakatanga kuferefeta mapoka ekare akarongwa neProhibition, ayo aive ave pamberi pematsotsi mumaguta makuru nemataundi madiki. Basa rese reFBI rakaitwa muchivande uye kubva mukati memasangano aya, vachishandisa zviga zvakapihwa muRICO Act. Zvishoma nezvishoma agency yakaparadza mapoka mazhinji. Kunyangwe Hoover pakutanga akaramba kuvapo kweNational Crime Syndicate Bureau muUnited States, mahofisi emunda akazoitisa mashandiro akazivikanwa kurwisa ma gangsters nemhuri dzekupara mhosva, kusanganisira ma gangsters anotungamirwa naJohn Gottian naSam Gottian.
Sam Giancana naJohn Gotti.