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Z Portal scans whole cars at a time

The Z Portal is essentially a mammoth X-ray machine that can scan whole vehicles at a time.

By October 22, 2008


DHS' X-ray scanners could be cancer risk to border crossers

Homeland Security is deploying X-ray scanners to inspect interior of vehicles crossing the border, according to documents obtained by a privacy group, raising new concerns about cancer and privacy risks.

By January 12, 2012