"In the jogger case, well over 30 people were talked to," he said.
He was in prison from mid-1990 until April 1997 for his conviction in the jogger case.
The district attorney said he had no worries about the results of the inquiry into the jogger case.
In the 1989 jogger case, the victim was white.
He said his neighborhood was mostly peaceful now, which is why the jogger case seems ancient.
He looked at the shattered glass and thought back to the time of the jogger case and wondered.
No arrests have been made in the jogger case.
The jogger case was the second of his unavailing efforts.
Someone could be arrested for committing some other crime next year, and might give up vital information on the jogger case, he said.
Hours of interviews were conducted by investigators in the jogger case before the taping began.