I think so too. There is plenty of evidence. The witnesses who appear to be giving testimony that is Pro-Martin's version have been inconsistent or have no basis for their conclusions.
A good course of action is to bring out the evidence in a nice package, redact information to protect the witnesses against retribution, and let the media deal with the bed it made for itself.
She can express sympathy with the Martin family, and lay blame at Trayvon's feet without making him into an all-out hoodlum. Sometimes teenagers start fights. Trayvon didn't have the good sense to limit his attack, not to justify starting it in the first place, but the consequences would have been less than death had he taken a few punches and run off.
I hope that’s how the state attorney deals with it. That would be reasonable and professional.