The electronic eyes of the nation's security cameras watch over everything from public buildings to traffic patterns. But in Chicago, they have a new job: spotting terrorists, before they attack. We discuss the many uses, and debatable effectiveness, of video surveillance.
Ron Huberman, executive director of the Chicago Office of Emergency Management and Communications. In charge of plans for Unified Camera Network.
Andrea Gural, editor, Security Director News
Daniel Solove, professor of privacy law at George Washington University. Author of The Digital Person: Technology and Privacy in the Information Age
Martin Gill, professor of criminology at the University of Leicester's Scarman Center. Director of Perpetuity Research and Consultancy International.