PoliticsNation with Al Sharpton 03/21/12

Unanswered questions cloud investigation in shooting death

The Sanford, Florida police chief issued a statement and said that because George Zimmerman claimed self-defense, Florida statue prohibited law enforcement from arresting him. Rep. Corrine Brown, D-Fl, and former U.S. Attorney Zachary Carter weigh in ... more Duration: {{video.duration.momentjs}}