January 21, 2015 9:40 am Hospital Staff Mourns Surgeon Fatally Shot by Gunman Administrators and staff at a leading Boston hospital are mourning the death of a cardiac surgeon who was fatally shot at the hospital by a man who then killed himself. US & World Videos 2:13 Karen Read trial Day 6: Witness testimony resumes 6:03 Tensions rise during campus protests at MIT and Harvard 6:19 Police surround pro-Palestinian encampment at MIT 5:12 Karen Read's defense pushes the question of credibility 2:58 Karen Read trial: Defense accuses prosecution witness of perjury
