A very important aspect of trying to figure out what happened in the shooting death of Trayvon Martin is to create a time line of events from all the snippets of evidence that comes in from various witnesses.
I know common wisdom keeps saying Good is a great witness for the defense. But, that is only true if you believe his veracity. In my previous post I questioned his ability to tell colors considering the lack of light and his testimony of the changing position of the bodies seems not to make sense.
Based on the 9-1-1 calls, Martin was shot at 7:16:56, and Good's call to 9-1-1 connects at 7:17:15. That is less than 20 seconds which lends credibility to his testimony that he called 9-1-1 almost as soon as he stepped inside when he heard the gunshot. If the gunshot happened within seconds of when he stepped back in, how did the bodies move again onto the grass? Maybe, he was wrong and waited 30 seconds or so from coming inside until he dialed 9-1-1, but that does not seem right.
There was 19 seconds from when Martin was shot and until Good's call connected, and the gun shot is not what prompted Good to call. Those bodies never moved back. He is wrong that the fight made it onto the sidewalk. (And again, Zimmerman never claimed they fought on the sidewalk.)
Additionally, you can hear screaming at 7:16:11 when Jenna Lauer calls 9-1-1. It is safe to assume that Good should have heard those screams, and responded with something better than "What are you doing?" Good only claims to have been out there 10 seconds and did not think the wrestling was that bad at first. How could he not hear those screams? He did claim he heard some cries for help, but what we hear on Lauer's 9-1-1 tape is not just some regular screams.
Interestingly, when Zimmerman does his re-enactment, he adds the additional detail that someone had come out during the fight and say he was calling 9-1-1, and that occurs right before the gunshot. Zimmerman claims he responded (Good does not). Zimmerman, also, as noted keeps the fight on the grass, perpendicular to the sidewalk.
What does all this mean? I am sure Good did pop his head out and say he was going to call 9-1-1. Another witness, who is scattered brained and not reliable says so. I don't think Zimmerman, if he was the victim, would have noticed that since someone is screaming at the top of his lungs. On the other hand, if Zimmerman was not in fear for his life and in control, he would remember that which is why it was part of the re-enactment - but he did not respond to Good.
There is a second theory on this. In his first statement, Zimmerman claimed that after he shot Martin he got on top of him and spread his arms. At that point an on-looker showed up and asked Zimmerman if he was okay, to which Zimmerman said no. The on-looker said he was going to call 9-1-1. Zimmerman said it was not necessary since he already did and he needed someone to help him restrain Martin. That is when the police arrived. Maybe that is Good. It is not Manalo. Than again, maybe Zimmerman made this up since no one has ever said that Zimmerman asked him to restrain Martin.
I still believe Good deduced, at the time, that Zimmerman was defending himself, because he did say he heard George Zimmerman tell the police it was self defense (and that he through the gun on the ground). That is why he filled the blanks of who was on top and who was on the bottom during the altercation because it made the most logical sense to him.
I know I am in the minority here, but I think Good locked himself into a story early and does not want to squirm out (for fear of prosecution) but will hedge out of guilt.