The TSA's actions are completely, utterly, and without recourse illegal under the laws described in the US Constitution. Unfortunately, the Constitution doesn't provide average citizens with any way to punish the people in power who perform these illegal acts or who mandate that these illegal acts be performed.
See Amendment 2
"What a wonder is USENET; such wholesale production of conjecture from such a trifling investment in fact." -- Carl S. Gutekunst