Nigeria, April 11 -- The Economic and Financial Crimes Commission (EFCC) on Thursday presented video evidence to prove the voluntariness of a confessional statement credited to a former Minister of Power, Saleh Mamman.

An EFCC witness presented the evidence on Thursday during a trial-within-trial, a sideshow to the main trial in which Mr Mamman faces N33.8 billion money laundering charges.

Last month, trial judge James Omotosho of the Federal High Court in Abuja ordered the trial-within-trial, pausing the main trial, to verify Mr Mamman's claim that the statement was obtained from him under duress in February last year.

EFCC opened the trial-within-trial on Tuesday, with its first witness, Abubakar Kwaido, a detective testifying that M...