Michael Slager (left) appeared with defense attorney Cameron Blazer during a Circuit Court hearing last September at the Charleston County Courthouse in Charleston, S.C. Getty Images hide caption

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Democratic presidential candidate Hillary Clinton and her husband, former President Bill Clinton, speak at a "Get Out The Vote Rally" in Columbia, S.C., on Friday. Gerald Herbert/AP hide caption

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Director Spike Lee, in a radio ad released Tuesday endorsing Bernie Sanders says the Vermont Senator will "do the right thing" when he's in the White House. Axel Schmidt/AP hide caption

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Republican presidential candidate Donald Trump speaks at his election night party February 20, 2016 in Spartanburg, South Carolina. The New York businessman won the first southern primary decisively. Spencer Platt/Getty Images hide caption

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Republican presidential candidate, Sen. Marco Rubio, R-Fla., raises his arm with Gov. Nikki Haley and Sen. Tim Scott, R-S.C., during a town hall Thursday in Greenville, S.C. Paul Sancya/AP hide caption

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Barbie Byrd, of Columbia, S.C., joins a group of demonstrators on the grounds of the South Carolina State House calling for the Confederate battle flag to remain on the Capitol grounds in June 2015. Win McNamee/Getty Images hide caption

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Confederate flag radio ad/robo call

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