Trayvon Martin's parents, Sybrina Fulton (2/L) and Tracy Martin (2/R), attend a rally to mark the two-month anniversary of the death of the Florida teenager Trayvon Martin at the West Los Angeles Church in Christ on April 26, 2012 in Los Angeles,California. Florida neighborhood watch volunteer George Zimmerman is charged with second degree murder over the high-profile shooting of unarmed black teen Trayvon Martin. Zimmerman has filed a plea of not guilty. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/GettyImages)
CBS correspondent Peter King gives an update from the George Zimmerman trial.