I keep trying to picture a scenario where, even getting the jump on him, a 140lb Travyon Martin could successfully wrestle a 250lb George Zimmerman to the ground and succeed in straddling him long enough to get more than a glancing blow in at his face. Especially if Zimmerman’s recounting of events is to be believed that Martin came up and started screaming at him. And I’m just not seeing it.

The point that it can’t be shown that Zimmerman was the aggressor means nothing because the same evidence can’t show that Martin was the aggressor. The only “proof” that he was is Zimmerman’s version of events, which is automatically suspect on account of him being the guy still standing.