A booking photo provided by the Seminole County Public Affairs shows George Zimmerman on Saturday, Jan. 10, 2015. In the latest in a string of run-ins with the law in the past two years, Zimmerman has been charged with aggravated assault. AP hide caption

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President Obama at the White House on Friday, as he spoke about the death of Trayvon Martin and the national discussion that the case has generated. Larry Downing /Reuters /Landov hide caption

itoggle caption Larry Downing /Reuters /Landov

Attorney General Eric Holder speaks at the annual convention of the NAACP in Orlando, Fla., on Tuesday. Holder told the convention that "Stand Your Ground" laws that have been adopted in 30 states should be reconsidered. David Manning/Reuters /Landov hide caption

itoggle caption David Manning/Reuters /Landov

Los Angeles Police Department officers in riot gear detain a man after disturbances in the streets around Leimert Park. Kevork Djansezian/Getty Images hide caption

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In Los Angeles on Sunday, demonstrators expressed their anger over the acquittal of George Zimmerman on the charges he faced for the death of Trayvon Martin. Jim Ruymen /UPI /Landov hide caption

itoggle caption Jim Ruymen /UPI /Landov