Melissa Harris-Perry 07/20/12

What happened in the Aurora shooting, and what's next

Melissa Harris-Perry runs through the latest developments with the gunman who killed 12 and injured over 50 movie-goers during a midnight showing of “The Dark Knight Rises” in Aurora, Colorado. MSNBC host Chris Jansing, NBC News’ Michael Isikoff, and Colorado Rep. Rhonda Fields contribute to the update. ... more Duration: {{video.duration.momentjs}}