that night than the next person, they told him tow to put that together, use that in to the best of their ability. he also told the jury that he tells people when they get in fights, if you haven't won the fight within the first 30 seconds, you should switch tactics and he believed george zimmerman's force he used that night was called for and he was justified in doing what he did. he also told the jury that the evidence and george zimmerman's injuries match what the evidence that was presented in court. so he was just the first one. robert zimmerman sr. was the next one to take the stand. that was george zimmerman's dad. the first time he called the 911 call with the screams, by himself in the room. the attorney's office played it for him. without a doubt it was his son screaming. and the last witness the defense called today was a woman by the name of olivia bertalan. they were telling her story