With a single punch, Trayvon Martin decked the Neighborhood Watch volunteer who eventually shot and killed the unarmed 17-year-old, then Trayvon climbed on top of George Zimmerman and slammed his head into the sidewalk, leaving him bloody and battered, law-enforcement authorities told the Orlando Sentinel.
That is the account Zimmerman gave police, and much of it has been corroborated by witnesses, authorities say. There have been no reports that a witness saw the initial punch Zimmerman told police about.
Zimmerman has not spoken publicly about what happened Feb. 26. But that night, and in later meetings, he described and re-enacted for police what he says took place.
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Sanford, FL, USA
In his version of events, Zimmerman had turned around and was walking back to his SUV when Trayvon approached him from behind, the two exchanged words and then Trayvon punched him in the nose, sending him to the ground, and began beating him.
Zimmerman told police he shot the teenager in self-defense.
Civil-rights leaders and more than a million other people have demanded Zimmerman's arrest, calling Trayvon a victim of racial profiling and suggesting Zimmerman is a vigilante.
Trayvon was an unarmed black teenager who had committed no crime, they say, who was gunned down while walking back from a 7-Eleven with nothing more sinister than a package of Skittles and can of Arizona iced tea.
This is what the Sentinel has learned about Zimmerman's account to investigators:
He said he was on his way to the grocery store when he spotted Trayvon walking through his gated community.
Trayvon was visiting his father's fiancée, who lived there. He had been suspended from school in Miami after being found with an empty marijuana baggie. Miami schools have a zero-tolerance policy for drug possession.
Police have been reluctant to provide details about their evidence.
But after the Sentinel story appeared online Monday morning, City Manager Norton Bonaparte Jr. issued a news release, saying there would be an internal-affairs investigation into the source of the leak and, if identified, the person or people involved would be disciplined.
He did not challenge the accuracy of the information.
At a Monday news conference, Trayvon's mother, father and their lawyers called the report that their son was suspended from school because of a marijuana baggie irrelevant and needlessly hurtful.
Trayvon's father, Tracy Martin, said "even in death, they are still disrespecting my son, and I feel that that's a sin."
His mother, Sybrina Fulton, said, "They killed my son, and now they're trying to kill his reputation."
Supporters have held rallies in Sanford, Miami, New York and Tallahassee, calling the case a tragic miscarriage of justice.
Civil-rights activist the Rev. Al Sharptonheadlined a rally in Sanford on Thursday that drew an estimated 8,000 people. The Rev. Jesse Jacksonon Sunday spoke at an Eatonville church, where he called Trayvon a martyr.
Zimmerman has gone into hiding. A fringe group, the New Black Panther Party, has offered a $10,000 reward for his "capture."