Backscatter: Controversial New Security X-Ray Sees All

Whole Body Imaging is now being implemented at security checks in a handful of International airports around the world. Instead of walking through a metal detector, passengers are being directed through a powerful x-ray machine which does a virtual "strip search," allowing the screeners to see hidden weapons and dangerous objects even if they're not made of metal. But the images produced by the scanners have been the source of much controversy. Find out whether your private body piercings are safe from detection and just what the screeners do and don't see.