George Zimmerman

George Zimmerman is charged with second-degree murder in the 2012 shooting death of unarmed teen Trayvon Martin. He pled not guilty, claiming self-defense under Florida's "stand your ground law."

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In this undated photo provided by the Martin family, Trayvon Martin holds an unidentified baby. Martin, 17 of Miami Springs, Fla., was killed by a neighborhood watchman following an altercation in Sanford, Fla. as he walked from a convenience store in February, 2012. (AP Photo/Martin Family, File)
In this undated photo provided by the Martin family, Trayvon Martin holds an unidentified baby. Martin, 17 of Miami Springs, Fla., was killed by a neighborhood watchman following an altercation in Sanford, Fla. as he walked from a convenience store in February, 2012. (AP Photo/Martin Family, File)