Public outcry continues to build over use of advanced scanners in airport security screening, with screening procedures involving full-body xray systems and 'backscatter' imagers coming under fire from privacy advocates. While Transportation Security Administration officials say they understand the complaints, the new enhanced system of high-tech scanners and more intensive pat-downs will continue. We'll talk about the system, how it works, and what you need to know about the technology. Are there radiation concerns?
Produced by Annette Heist, Senior Producer