It’s not clear that it had anything to do with the Zimmerman trial?
Unless it involves anybody connected with the Zimmerman trial, it has nothing to do with the Zimmerman trial.
What makes you think it wasn’t a racial, retaliatory crime like those reported after the verdict, instead simply done at the initial time of Obama Justice Department-stirred protests?
It probably had nothing to do with a trial as the beating happened a month after the shooting.
BUT—What would have happened if the man had shot one of the teens?