bottom who he indicates was zimmerman screaming for help and today he said he can't say for certainty. he said in the first statement he saw the person on top who he indicates is trayvon martin holding the person down and throwing strikes, punching, striking him. now he says he can't say with certainty that he was doing that. at the mma hold, in my view complexity, we're told zimmerman is the guy training for mma but apparently it's trayvon martin doing that maneuver on george zimmerman. put it together, what are you thinking? >> i think he was a strong witness and a good witness for the defense, even though he was put on as a prosecution witness. here he testified he sees trayvon martin on top or basically, a person dressed the same way trayvon martin was and testifies to the mma. he testifies that he saw ground and pound. he testifies that he saw the injuries, that he heard essentially the cries for help. no one came, and that there did