It didn't matter what the prosecution did...
...that jury wouldn't have bought any of it. They were the dumbest jury in the history of America. They didn't comprehend things like motive and just basic things about the trial. They were the bottom of the barrel and even OJ said on the day they were chosen, that they wouldn't convict him and he's no genius.
The prosecution seemed really lame too, just incompetent, especially Christopher Darden. They threw him in as the token black guy but all that did was create distraction as he wasn't committed to the case so much as being out to prove something to Cochran hence the absurd decision to have OJ don the glove.
Judge Ito sucked balls, another person chosen for race as they didn't want black or white but someone outside of that. He was awful. The police made some mistakes but they always do because with that many moving parts there is no perfect crime scene investigation, always room for human error there. The race stuff with Furhman should not have been let in the courtroom as even his superiors who were minorities said he was a good cop. In fact everyone he worked with said he was a good cop. Everyone has bias, you don't have to be perfectly bias-free to do a good job. You can't control what other people think inside, just if they act professionally.