SANFORD, FL – JUNE 28: The parents of Trayvon Martin, Sybrina Fulton (R) and Tracy Martin (L) arrive for the 15th day of Zimmerman’s murder trial in Seminole circuit court June 28, 2013 in Sanford, Florida. Zimmerman is charged with second-degree murder for the February 2012 shooting death of 17-year-old Trayvon Martin. (Photo by Joe Burbank-Pool/Getty Images)