The Last Word with Lawrence O'Donnell 07/02/13

Medical examiner: Zimmerman injuries ‘not life threatening’

A Jacksonville medical examiner Dr. Valerie Rao testified as an expert witness for the prosecution that George Zimmerman's injuries were "not life threatening" and were "very insignificant." MSNBC's Lawrence O'Donnell talks to former criminal ... more Duration: {{video.duration.momentjs}}