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After the shame of having his country branded among the most corrupt in the world, President Biya of Cameroon has in recent years taken some steps to clean up government ministries and state owned companies.
Several ministers and directors have been jailed, some for up to 50 years, while others await trial.
But has enough been done?
One man who's watched developments with interest is Garga Haman Adji, a former minister who resigned from the government citing its inability to deal with corruption and impunity.
He now heads an anti-corruption NGO in Yaounde, he spoke to Network Africa's Veronique Edwards.
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