Read the hell out of this assessment, by a recently-retired police chief, of the absurd ineffectiveness of TSA airport screening. As a police chief, she knows a little something about the topic. It’s one of the best critical analyses of airport “security” I’ve read yet.
Quotes:
We have asked TSA to find the tools terrorists use and prevent both from boarding a passenger plane. We have unintentionally created an agency that now seeks efficiency and compliance more than any weapon or explosive.
and…
As police have employed other types of “random” interventions, as in DWI checkpoints, they have had to develop policies, procedures and training to ensure that the “random” nature of these intrusions is truly random. Whether every car gets checked, or every tenth car, police must demonstrate that they have attempted to eliminate the effects of active and passive discrimination when using “random” strategies. No such accountability currently exists at TSA.

