I think the current NASS may have Silently adopted probe as a 'no go area' in their tenure. Before this there were several probes, including the day light robbery of their Senate Mace. What has happened to this to date? Use this as guide for start.
Acquisition of Keystone Bank, 9Mobile: Atiku chides EFCC, ask NASS to act - Vanguard News Nigeria
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Acquisition of Keystone Bank, 9Mobile: Atiku chides EFCC, ask NASS to act===has been published on Vanguard News Nigeria -