Military and civil authorities under the Buhari administration have been rendering false accounts of what transpired on October 20.
The minister claimed police officers were being victimised.
The legal challenge could frustrate ongoing hearings into police abuses across the country.
No one has claimed responsibility for the apparent blockage of the major #EndSARS campaign website.
The former Lagos governor has been caught in a series of gaffes in recent weeks.
Adamu Garba paused his presidential ambition to become a mouthpiece for the Buhari administration.
Parliament moved that Nigerians officials should not enjoy the liberties they deny their citizens at home in the U.K.
The trade fair was earlier postponed as a result of thug violence last month.
Ahmed Taiwo contradicts the Army Headquarters in his testimony before the panel on Saturday.
Security camera recordings were admitted in October 20 deadly military attack on #EndSARS protesters.
