The aide of former president Goodluck Jonathan and three other Nigerian ex-officials have been named in a massive US$ 20 million Swiss bribery scandal, media reported Sunday.
Nigerian officials said that in only two months they regained about US$ 177 million of stolen state funds thanks to a scheme that offers whisteblowers up to five percent of the sum they help discover.
Former military ruler and self-described enemy of graft Muhammadu Buhari has been elected the next president of Nigeria.
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