There's a Capehart article from just before thoseClick Here
where he's all bent out of shape because
A. O'Mara won't play along and refer to Florida's Justifiable Use of Force law as their Stand Your Ground law, or
B. Because O'Mara wants a hearing on the immunity clause/provision of the Justifiable Use of Force law instead of the Stand Your Ground clause/provision of that law, which O'Mara doesn't see as pertaining to Zimmerman's straightforward, duty to retreat ain't got nuttin' to do with it because he was pinned on the ground and couldn't retreat, self-defense claim.
Or maybe both, I couldn't really tell.