“Okonjo-Iweala is a professional and she guarded herself. Whenever, they said this happened, she was able to produce papers to say, ‘Look, we had a meeting presided over by the president and attended by the national security adviser and others’.
“And she would go back and write the president and say, ‘I have received a request to release so many billions in accordance with our minutes. Your Excellency, if you will approve.’ And His Excellency would approve it. So, she covered herself, thus you can’t pin anything on her.”