"Donal" wrote
It is obvious that you only operate on the fringes of "sensitive" work.

Never claimed otherwise.

It is easy to explain to a (5$/hr) security guard that he cannot open your
briefcase. The security guards *do* get some training.

Then why was one of my subordinates detained for 6 hours?

If you have ever had a problem, then you really need to look at yourself.

Nope! If the person has proper identification and credentials, and is
dressed in a business suit, it should be sufficient.