I edited my original post to include a link to some 2010 stats, and just found http://www.nbcdfw.com/news/local/TSA-Agent-Slips-Through-DFW-Body-Scanner-With-a-

I edited my original post to include a link to some 2010 stats, and just found http://www.nbcdfw.com/news/local/TSA-Agent-Slips-Through-DFW-Body-Scanner-With-a-Gun-116497568.html http://www.nbcdfw.com/news/local/TSA-Agent-Slips-Through-DFW... from sept '11 as well. I'm not sure how they could run realistic tests in any other way than with (simulated) contraband in a public screening queue, ideally with different people and situations each time.