Ah, okay, the witness who "saw red" (John Doe) may not have used the exact words "wrestling" or "grappling" as some of the other witnesses have. Yet I disagree that his words have ever implied GZ was lying on the ground, with TM on top of him, in such a way (as you suggested upthread) that he would not have been able to clearly observe the color of GZ's clothing.
"John" said the guy in red on the bottom was being "beaten up," and was yelling for him to help. JMO
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But one man's testimony could be key for the police.
"The guy on the bottom who had a red sweater on was yelling to me: 'help, help
and I told him to stop and I was calling 911," he said.
Trayvon Martin was in a hoodie; Zimmerman was in red.
The witness only wanted to be identified as "John," and didn't not want to be shown on camera.
His statements to police were instrumental, because police backed up Zimmerman's claims, saying those screams on the 911 call are those of Zimmerman.
"When I got upstairs and looked down, the guy who was on top beating up the other guy, was the one laying in the grass, and I believe he was dead at that point," John said.
http://www.myfoxtampabay.com/dpp/news/state/witness-martin-attacked-zimmerman-03232012
/bbm
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It has also suggested (I forgot by whom) that it would have been
too dark out there for the witness "John" to detect the color red.
I respectfully and emphatically disagree. There are numerous outside lights there; it is likely that some/many were shining that night. Also, if "John" were outside his home, it is likely IMO that his own individual back patio light had been flipped on IMO.
At any rate, I doubt the area would be utterly dark, see photo.