In 2014, the central banks of Tanzania and Cyprus took over the notorious FBME Bank, which was accused of a long list of banking violations that allegedly made it the money-laundering epicenter of global finance. But the man they put in charge of administering the bank appears to have been about as controversial as the bank itself. The Lebanese brothers Ayoub-Farid and Fadi Saab, the owners of FBME, are said to have called him “our man.”