based on the color of the jackets, we know that george zimmerman was in the red jacket and the red jacketed person was on the ground and the man in the dark jacket, which we now know is trayvon martin, was on the top raining down blows mma style, ground-and-pound style. john good s testimony was lim d limited though because he did insist he was not 100% sure that was the case and he also said did he not see george zimmerman s head getting pounded on the ground as george zimmerman maintained. so he supported the essence of the self-defense theory that s put forward by the defense, but not all of it. alex? rev, we know that the medical examiner today said there were no injuries to trayvon martin s right hand which is his strong hand and presumably the one woe have used if he was landing blows on george zimmerman. see, i think the testimony by the medical examiner about there were no injuries would lead to