Boston Marathon Bombings Stir Up Lessons for Public Safety

Aired: 4/23/2013 | 0:09:20 | Clip
The bombings at the Boston Marathons stirred up questions about public safety and security at events with large crowds. Jeffrey Brown examines the safety lessons learned with Jim Davis, executive director of the Colorado Department of Safety, and Ed Cannon, former assistant chief of the New York City Police Department.