Rochas Okorocha said he fed himself while he led Imo state, and that being governor made him poorer.
The Sokoto governor made the declaration on Monday in Sokoto, saying he is best suited for the job.
Mr Gulak was killed on May 30, 2021 by unknown gunmen in Imo, on his way to the Sam Mbakwe Airport to board a flight to Abuja.
The market will be completed in December, an official said.
Mr Okorocha said that Nigeria had remained a great nation for those who believed in Nigeria and its unity.
The said a “vigorous and aggressive manhunt” was underway to apprehended the criminals.
“And what is (sic) unknown gunmen? Unknown gunmen now are set of policemen from government house…,” the Imo ex-governor alleged.
The former governor says the recent arrest of his son-in-law, Uche Nwosu, during a church event, was a pointer to his allegation.
“There was no single arrest warrant on Uche Nwosu; nothing at all. It was like a kidnap…
Mr Nwosu was arrested on Sunday while attending his late mother’s thanksgiving service at St. Peter’s Anglican Church Eziama-Obaire Nkwerre LGA of Imo state.
