The BBC's Bashir Abdullahi in Abuja says as it is illegal to give as well as take bribes in Nigeria, some people have asked why Mr Otedola is not also facing any legal action.

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Indeed, as many Burmese went to pains to remind me, if "ordinary things" are generally associated with the corruption of those in authority, "ordinary people" include those who agree to pay the bribes, not complain, even looking for their own opportunities to exchange give for take.

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Once the checks are collected, participants in the fraud take them to bank tellers or employees at money-service locations who often have taken bribes, according to court documents submitted in several cases.

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Rukha bribes these parents to send their kids to school, by promising them an equivalent income if they take their children off the street.

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