Nigerian President Muhammadu Buhari during a panel discussion at the Anti-Corruption Summit in London, England, May 12, 2016 (AP photo by Frank Augstein).

In early February, Nigeria’s anti-corruption agency discovered a cache of $9.8 million stashed in the house of Andrew Yakubu, the former managing director of Nigeria’s state-run oil firm, NNPC. Nigerians on Twitter and Facebook quickly expressed their amazement at the magnitude of the amount and speculated over how Yakubu had gotten the money. Before the cash discovery, Nigerians had been preoccupied with the news of President Muhammadu Buhari’s extended medical vacation, which lasted through March. But their attention was swiftly diverted by the news of Yakubu’s cash stockpile, which was hidden in a fireproof safe inside his home in northern […]