The Court of Appeal had earlier held that the trial by Justice Okon Abang was tainted with bias, and ordered a retrial.
She said the attack followed a hit and run accident involving a motorcycle and a car.
Mr Bello said the agency had conducted a series of engagements with dispatch companies and riders before arriving at the August deadline.
The suspect was nabbed while trying to board an Air France plane to Paris, France, and Milan, Italy, on Sunday, May 15, 2022, said the NDLEA.
Seven hundred and seventy-four national delegates are expected to vote in the convention to elect a candidate from 13 aspirants.
The officers were sighted at the Moshood Abiola National Stadium venue of the event in their fatigues on Saturday evening.
The police, Civil Defence and State Security Service are stationed at different locations around the stadium.
The APC Special Convention for the presidential primaries comes up on Sunday, May 29, 2022.
The petitioner told the court that his wife has also abandoned all her house chores to him and his mother.
Messrs Buhari and Malami filed a suit at the Supreme Court, seeking an interpretation of section 84 (12) of the Electoral Amendment Act 2022.
