The February 12, 2012, incident in central Florida sparked a fierce national debate about such issues as gun control, equal justice and race after Zimmerman, who is Hispanic, fatally shot Martin, a black teenager.
There is no disputing that Zimmerman fired his 9-mm. handgun after calling police, exiting his pickup truck to follow Martin, then getting into a fight with the 17-year-old on a rainy night inside the gated Retreat at Twin Lakes community.
The 29-year-old Zimmerman, who had a concealed weapon permit, has admitted to shooting Martin in the chest.
But Zimmerman says the teen circled back and attacked him as he walked back to his truck – punching him in the face and slamming the back of his head into the sidewalk.
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