When George Zimmerman tries to convince a judge or jury that he shot Trayvon Martin in self-defense, the evidence he'll be able to call on appears to be a mixed bag.

More than 200 pages of photos and eyewitness accounts released by prosecutors Thursday show Zimmerman and Martin were in a loud and bloody fight in the moments leading up to the shooting and that Zimmerman appeared to be getting the worst of it, with wounds both to his face and the back of his head.

But the original lead detective in the case believed Zimmerman caused the fight by getting out of his vehicle to confront Martin, who wasn't doing anything criminal, and then could have defused the situation by telling Martin he was just a concerned citizen and tried to talk to him. He didn't think Zimmerman could legally invoke Florida's "stand your ground" law and should be charged with manslaughter.

Under that law, people are