Mr Akhimie admitted to defrauding over $6 million from more than 400 victims, many of whom were elderly or otherwise vulnerable.
Mr Ezemma remained a fugitive until his surrender and arrest
With the sentencing, five defendants extradited from the UK and Spain in connection with the transnational fraud scheme have been convicted.
Ezennia Peter Neboh, 48, Kennedy Ikponmwosa, 52, and Jerry Chucks Ozor, 43, were part of a group of fraudsters.
Iheanyichukwu Jonathan Abraham and Jerry Chucks Ozor were extradited from the United Kingdom today.
