Mustafijev najveći predmet bio je usredotočen na Hashima Rexhepija, bivšeg guvernera Centralne banke Kosova, koja je propala u decembru kad sud nije potvrdio optužnicu protiv njega, navodeći nedostatak dokaza.
Mustafi's biggest case focused on Hashim Rexhepi, the former governor of the Kosovo central bank, which collapsed in December when a court did not confirm the indictment against him, citing lack of evidence.