SANFORD, FL – MARCH 31: Trayvon Martin supporters gather and pray at an NAACP rally in front of the Sanford Police Department after marching through the historically African American community of Goldsboro on March 31, 2012 in Sanford, Florida. Martin was killed by George Michael Zimmerman while on neighborhood watch patrol in the gated community of The Retreat at Twin Lakes. Rev. Jesse Jackson, Rev. Al Sharpton and NAACP President Benjamin Jealous were amongst the supporters demanding Zimmerman’s arrest. (Photo by Mario Tama/Getty Images)