From LA Times:
Reporting from Charlotte, N.C.— Rick Vetter was rushing to board the Amtrak train in Charlotte, N.C., on a recent Sunday afternoon when a canine officer suddenly blocked the way.
Three federal air marshals in bulletproof vests and two officers trained to spot suspicious behavior watched closely as Seiko, a German shepherd, nosed Vetter’s trousers for chemical traces of a bomb. Radiation detectors carried by the marshals scanned the 57-year-old lawyer for concealed nuclear materials.



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