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SANFORD, FL - MARCH 22: Sanford Police Department Chief Bill Lee (L) speaks while announcing he will temporarily step down in the wake of the Trayvon Martin killing as Sanford city manager Norton Bonaparte Jr. (R) stands by on March 22, 2012 in Sanford, Florida. Many protesters are expected tonight at a rally organized by Rev. Al Sharpton to demonstrate against the killing of the black unarmed teenager by a white and Hispanic neighborhood watch captain. (Photo by Mario Tama/Getty Images)
SANFORD, FL - MARCH 22: Sanford Police Department Chief Bill Lee (L) speaks while announcing he will temporarily step down in the wake of the Trayvon Martin killing as Sanford city manager Norton Bonaparte Jr. (R) stands by on March 22, 2012 in Sanford, Florida. Many protesters are expected tonight at a rally organized by Rev. Al Sharpton to demonstrate against the killing of the black unarmed teenager by a white and Hispanic neighborhood watch captain. (Photo by Mario Tama/Getty Images)

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Police chief in Martin case steps aside

CNN's Anderson Cooper talks to analysts Jeffrey Toobin and Sunny Hostin about the Sanford police chief's announcement.

Police chief in Martin case steps aside

CNN's Anderson Cooper talks to analysts Jeffrey Toobin and Sunny Hostin about the Sanford police chief's announcement.