Trayvon Martin’s dad: Shock, disbelief over verdict

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Tracy Martin and Sybrina Fulton, the parents of Trayvon Martin, speak to TODAY’s Matt Lauer about George Zimmerman’s acquittal, saying “we thought in our hearts” Zimmerman would be convicted and the legal system “failed Trayvon to a certain degree.” Zimmerman, who says he shot Martin in self-defense, was found not guilty of second degree murder and manslaughter Saturday.