Sybrina Fulton (L) and Tracy Martin, parents of teenager Trayvon Martin who was killed by neighborhood watchman George Zimmerman in Sanford, Florida, listen to remarks at a Democratic forum called by the House Judiciary Committee on Capitol Hill, March 27, 2012 in Washington, DC. The shooting has sparked a debate about Florida's Stand Your Ground self defense law, Zimmerman has not been arrested and many details remain unknown. UPI/Mike Theiler