And if you are critical of the TSA, this may be coming to your front door: http://www.examiner.com/libertarian-in-national/federal-agents-search-home-of-pilot-critical-of-tsa
Do you think you are safe from the TSA in your own car? http://www.flyertalk.com/forum/travel-safety-security/1153902-tsa-goes-mobile-strip-searched-you-walk-down-street-drive-your-car.html
This was the disgruntled pilot, I believe, who published a fairly detailed list of airport vulnerabilities.