http://www.clarksvilleonline.com/201...ity-operation/

They didn't name it the Transportation Security Administration by accident. By 'transportation,' they mean EVERY form of transportation up to and including pedestrians. Unless we are able to rein-in this explosive power grab by the federal government, I predict that the TSA, or its derivative, will become the most powerful law enforcement agency in the country within the next 5-10 years. They will in effect become the new Gestapo, reporting directly to the White House.

More...
http://news.cnet.com/8301-31921_3-20...ime-detection/

Ever heard of the ZBV backscatter vans? They've already been put to use in NYC, ATL and Massachusetts. I suspect that they are quietly being used elsewhere.
This kind of technology could definitely have an effect on current carry methods and the strategies of discretion that good guys use.
There are effective methods to defeat this technology. Unfortunately, the use and misapplication of such methods may draw further interest and attention from prying digital eyes.
http://phx.corporate-ir.net/phoenix....4139&highlight
http://www.foxnews.com/scitech/2010/...asion-privacy/

Yes, I have my tinfoil underwear on tonight.