Corrections Facility SecurityMove over, Superman

Security scanner uses x-ray vision to detect concealed drugs and weapons.Security managers used to have only two options for detecting contraband and weapons concealed under clothing: metal detectors and pat-down searches. X-rays were not used for personnel screening because safety experts and security managers agreed the required radiation exposure was unsafe. A technological break-through from the early 1990s - "back-scatter imaging" - now allows people to be screened with negligible radiation levels. More than two dozen such systems are currently in use in the United States, with additional systems in Mexico, Argentina and the Middle East. About half ...

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