Just how is John a witness for the state? He sure seems to be confirming just what GZ said happened.
On the WFTV blog someone said John had to move after he interviewed with the press regarding an MMA beatdown by Trayvon. He got a lot of threats.
Because of the importance of his testimony, I think the State wanted to lay claim to him as one of their witnesses in an attempt to pre-emptively minimize the damage he’d do to them.