"How do they refer to them among the security people?"
In 23 years of teaching, I have never heard children referred to as "dumb" among colleagues.
She should be happy that she is even referred to among the public and media.
It may refer, among others, to one of the following people:
I am referring, of course, to the battle for supremacy among portable music players.
The club is also referred to among supporters as the "Stallions".
To his irritation, he is usually referred to as a hikikomori even among company.
Ryti signed a letter of resignation in which, against his will, he referred among other things to health reasons.
The word cybernetics refers to the theory of message transmission among people and machines.