In 2006, the EFCC Chairman Nuhu Ribadu, came before the Nigerian Senate and listed 5 most corrupt governors. They include: 1. Orji Kalu, Abia State 2. Ahmed Bola Tinubu, Lagos State 3. Ahmed Sani yerima, Zamfara State 4. George Akume, Benue State 5. Chimaroke Nnamani, Enugu State Today, in 2024, 18 years after. Orji Kalu