Nigeria, June 29 -- It is a shocking accusation. And it came from within the ranks of the Nigerian police.

In 1984, Edward Oyamendan, then a superintendent of police (SP), and his team at the Police Criminal Investigations Department (CID), Port Harcourt, received information that some persons were about to take delivery of containers of drugs with fake documents at the Onne Wharf in Port Harcourt.

The team began an investigation immediately and arrested two suspects, Usman Shehu and Charles Ohaju.

Under interrogation, Mr Ohaju reportedly confessed to faking the documents used to release the containers and misappropriating Mr Shehu's import duty. A search at his house and office reportedly recovered fake rubber stamps bearing various i...