In accordance with the June 1 deadline set by Congress, the Transportation Security Administration (TSA) has removed “nude” x-ray-based body scanners from U.S. airports. But privacy advocates remain dissatisfied, citing the TSA’s continued use of different full-body scanners that employ millimeter wave technology, Los Angeles Times reports. The current scanners display a generic figure and pinpoint areas on the body where hidden objects have been detected. But Marc Rotenberg, executive director of the Electronic Privacy Information Center—which sued the TSA in 2010 over the scanners—says there are “lingering questions about whether the millimeter-wave devices are retaining images.” A TSA spokesman said the machines are programmed not to retain them.
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