Department of Homeland Security is looking to employ scanning systems that do a complete search to detect weapons.
The Homeland Security Department is looking to employ scanning systems similar to this one from Rapiscan Security Products, a unit of OSI Systems.
Credit: Rapiscan Security Products
Millimeter wave technology from security specialist Qinetiq is designed to detect not just metal but other threats, like ceramic knives and hidden drugs.
Credit: Qinetiq