A grand jury is hearing testimony about the shooting of 18-year-old Michael Brown and will decide whether to file criminal charges against Officer Darren Wilson. Now U.S. law enforcement sources tell CNN that Brown's blood was found on Wilson's gun, inside his car and on his uniform. Sarah Sidner has more on these new details.
What does this new information tell us about what is going on behind closed doors in the grand jury room? Anderson discussed it with CNN legal analyst Mark Geragos and David Klinger, a criminal justice professor at the University of Missouri – St. Louis.