The Last Word with Lawrence O'Donnell 04/30/15

When did Freddie Gray sustain spinal injury?

msnbc's Lawrence O'Donnell speaks to forensic pathologist Dr. Cyril Wecht, fmr. Maryland Atty. General Doug Gansler, and Public Defender Paul DeWolfe about what we know and don't know about when and how Gray could have sustained his deadly injury. ... more Duration: {{video.duration.momentjs}}