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Published: Jul 11, 2013 2:39 PM EDT

SANFORD, Fla. (AP) - Prosecutors have started closing arguments in George Zimmerman's second-degree murder trial.
    
Prosecutor Bernie de la Rionda on Thursday started summing up the state's case that Zimmerman committed murder when he fatally shot 17-year-old Trayvon Martin during a fatal fight last year.
    
Prosecutors allege Zimmerman was profiling Martin as he followed the Miami teen through the central Florida gated community where Zimmerman lived and Martin was visiting.
    
Prosecutors say Zimmerman confronted Martin and during a fight fired his gun.
    
Zimmerman is pleading not guilty to second-degree murder, claiming he shot Martin in self-defense.
    
A judge earlier in the day ruled jurors may also consider manslaughter as a lesser offense during deliberations.

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