The judge instructed the jury to decide whether it was self defense, and if it was then they were to throw out all lesser charges as well.
But he also instructed that if Kyle provoked Rosenbaum, then it wasn't self defense.
The prosecution is trying to use this blurry video that the evidence fairy magically dropped on their doorstep at the end of the trial as proof of provocation. It isn't, certainly not beyond a reasonable doubt.
But one rogue juror who is looking for any excuse to convict has it now.