Sanford, Florida (CNN) -- An affidavit of probable cause in Florida's case against George Zimmerman for the shooting death of an unarmed 17-year-old says that the neighborhood watch volunteer "profiled" the victim, Trayvon Martin, and disregarded a police dispatcher's request that he await the arrival of police. The affidavit, which was drawn up Wednesday but not made public until Thursday, was prepared by investigators for the state attorney, who charged Zimmerman with second-degree murder Wednesday. Public documents in the Trayvon Martin shooting Zimmerman's relatives say that he did not profile Martin and that he shot him in self-defense. They say Zimmerman killed Martin after the teen punched him and slammed his head on the sidewalk.
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Affidavit says Zimmerman disregarded dispatcher's request
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Zimmerman's relatives say he killed Martin in self-defense
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"Martin was unarmed and was not committing a crime," affidavit says
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One of the responding officers reported seeing a wound on the back of @placeholder's head, and surveillance video appeared to show an injury.
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The affidavit offers little new about what happened on the night of February 26, when @placeholder was returning to the Sanford house where he was staying after having walked to a nearby convenience store, but it may offer some insight into how the special prosecutor views the case.
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@placeholder spoke to the dispatcher and asked for an officer to respond because Zimmerman perceived that Martin was acting suspicious.
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As the incident was unfolding, @placeholder was on the phone with a friend, the affidavit says.
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"The witness advised that @placeholder was scared because he was being followed through the complex by an unknown male and didn't know why.
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When the police dispatcher realized Zimmerman was pursuing Martin, he instructed @placeholder not to do that and that the responding officer would meet him.
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"The 'accident' I was referring to was the fact that @placeholder and my son ever crossed paths.
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"My son was profiled, followed and murdered by @placeholder, and there was nothing accidental about that," she said.
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Jurors will have several options under Florida law, including considering aggravating factors such as @placeholder's status as a child, Jackson said.
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"Nobody, after all, wanted @placeholder to be pre-judged as he was walking down that street," he said.