14:06Newshour13/12/2021 14:06 GMT: Nigerian mafia group linked to more than 10 countriesBBC World Service Duration: 50 minutes Mon 13th Dec 2021, 14:06 on BBC World Service East AsiaExclusive BBC investigation in Nigeria reveals a vast organised crime network Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online