that strange man? >> reporter: that child, according to the prosecution, but a dangerous teenager according to the defense. >> that's cement. that is a sidewalk. and that is not an unarmed teenager with nothing but skittles trying to get home, and the suggestion by the state that that's not a weapon, that that can't hurt somebody, that that can't cause great bodily injury is disgusting. >> reporter: martin savidge, cnn, sanford, florida. >> let's bring in sunny hostin, jeffrey toobin, danny cevallos and mark geragos. mark's latest book is "mistrial, an inside look at how the criminal justice system and sometimes doesn't." what's your assessment of oerm are a's closing today?