I don't see why they can't call and introduce the report of the FBI biomechanical expert who concluded JO's injuries were not caused by a vehicle hitting him.RBBM - Is the jury going to be presented this FBI expert testimony about the injuries or is that not allowed to be heard either?
Unlike the other experts both sides will call, this person is arguably completely independent as s/he wasn't commissioned for or paid by either side. If they turn out to be a compelling witness, it's hard to see how the Commonwealth recovers. Because even lay people looking at those injuries are going - WTF?