Parents of slain teenager Trayvon Martin speak at a rally in support of their son in Los Angeles

 
Parents of slain teenager Trayvon Martin speak at a rally in support of their son in Los Angeles
Parents of slain teenager Trayvon Martin, Sybrina Fulton (L) and Tracy Martin speak at a rally in support of their son in Los Angeles, California, April 26, 2012. REUTERS/Lucy Nicholson (UNITED STATES - Tags: CRIME LAW CIVIL UNREST)