Ferguson grand jury to hear key forensic evidence

Dr. Michael Baden is a former New York City medical examiner and one of the most high-profile experts in the forensics field. He was hired by Michael Brown's family to do a private autopsy after the teen was shot by Officer Darren Wilson. He is set to testify tomorrow in front of the grand jury. This comes as local authorities brace for the the response from protesters if there is no indictment against Officer Wilson. Jason Carroll takes a look at the forensic case.

Anderson discussed the evidence that we know about and the questions that remain about the case with CNN legal analysts Mark O'Mara and Sunny Hostin.