https://en.m.wikipedia.org/wiki/DNA_evidence_in_the_O._J._Simpson_murder_case
The blood evidence was "suggested" to be planted by the defense who had refused to do their own tests, however both DNA experts for the defense refused to back that up and even the defense changed tactics...
The reality is that DNA was new technology at the time and the prosecution struggled to explain how definitive it really is. Nowadays he'd have been found guilty, we are DNA savvy.
Anyway your "proven" stuff was not proven, quite the opposite. Even their own experts rejected that idea.
He did it, got away with it, and never felt even a modicum of remorse past the slow motion chase.
Her family deserved some justice, and all I was hoping for was a slight measure of that justice. And I still hope he was in pain and sitting in his own sh*t...