ICPC chairman, Bolaji Owosanoye, urged the traditional and religious leaders to support the government’s corruption fight.
The police command in Osun revealed that the suspect was caught at a cemetery.
Ms Opalola said the deceased was found hanging dead in the compound with a telephone cable.
The tribunal had also agreed on his request to conduct a forensic audit of the BVAS machine.
“The police in the state will not fold its hands and allow these misguided elements to continue abusing our children,” said the police commissioner.
The police could not tell whether the NURTW chairman was dead or alive.
Mr Oyetola filed a petition at the election tribunal on August 5, challenging the outcomes of the July 16 governorship election won by Ademola Adeleke.
Ms Opalola, however, said no suspect had been arrested yet and that a preliminary investigation is ongoing.
The police said the Osun governor’s wife was attacked on Friday in Ede.
Mr Odeyemi was removed during a meeting at the party’s secretariat in Osogbo, where members passed a vote of no confidence in him.