 Nyorai kuenderera mberi kweiyi ndima - Mutungamiriri Mukuru wekutanga akashumira kwegore rimwe chete chete rechipiri rake, mushure mezvo, muna Kubvumbi 2002, akabviswa pachigaro nekuda kwekushaikwa kwekuvimba nenhengo dzenyika. Kwakapikiswa naThe Guardian munyori wenhau George Monbiot kuti Director-General José Bustani akanga achimanikidzwa kubuda nehurumende yeU.S., pasinei nekubvumirana kunosimbirira kuti OPCW haifaniri kutsvaka kana kugamuchira mirayiridzo kubva kune hurumende ipi neipi; US yakanga yaedza kunyengetedza Brazil kuti idzokere Bustani. Monbiot akanyora kuti U.S. yakaedza dzimwe nzira, kunyange zvazvo gungano racho rinoratidzawo kuti nyika hadzifaniri kuedza kupesvedzera vashandi. Mukuwirirana nomurairo wake, Bustani aida kuti Iraq isayine chibvumirano nokudaro ichibvumira vatariri vamarudzi ose vezvombo zvemakemikoro kupinda muIraq uye nokudaro zvichida kudzivisa kurudziro yeU.S. yehondo kurwisana neIraq. United States yakapa zvikonzero zvikuru zvitatu zvekubviswa kwaBustani pachinzvimbo chake: maitiro ekurwisana uye ekurwisana, nyaya dzekutarisira zvisina kunaka uye kutsigira mabasa asina kukodzera eOPCW. Kubviswa kwacho kwakazoonekwa sekusina kukodzera neDare reHurumende reInternational Labour Organisation uye nekudaro Bustani akapihwa 50,000 mukukuvadzwa kwetsika, mubhadharo wake wezvakasara zvenguva yake yechipiri, uye nemitengo yake yemutemo. 