At the time, Chenge was under investigation by the British government's Serious Fraud Office for corruption involving the British arms manufacturer BAE. 
Kwa wakati huo, Chenge alikuwa akichunguzwa na taasisi ya kuchunguza makosa makubwa ya jinai nchini Uingereza (SFO) kufuatia kutuhumiwa kwa kosa la rushwa iliyohusisha kampuni ya kiingereza ya BAE.