In this image from video, George Zimmerman smiles after a not guilty verdict was handed down in his trial at the Seminole County Courthouse, Saturday, July 13, 2013, in Sanford, Fla. Neighborhood-watch captain George Zimmerman was cleared of all charges in the shooting of Trayvon Martin, the unarmed black teenager whose killing unleashed furious debate across the U.S. over racial profiling, self-defense and equal justice. Read story »