Autopsy sheds new light on Michael Brown's death, but key evidence is still missing

The preliminary results of a private autopsy reveal that Michael Brown was shot at least six times. Shawn Parcells is a medical investigator who assisted on that autopsy. He says the last two bullets fired at Michael Brown struck his head. Anderson spoke with Parcells about the key pieces of evidence that are still needed to put together a complete picture of what happened in Brown's final moments.