Did O.J. take the rap for his son?

I have watched a bit of this and for those interested in the case it might be compelling. I had a friend back in the '90s in the Marines who grew up with Jason Simpson and had been to their house many times.. His first reaction when hearing about the whole affair was that Jason probably did it. He said Jason hated Nicole and was one crazy cat. He also said that he wouldn't be surprised if O.J. took the rap for Jason. Might be something to this after all.