These beasts are designed to operate largely at low level, but equally they have capability to operate at anything from 1ft to high level.
Given that most of Scotlands scum bags operate within the capital city and other built up areas, which are in CAS, you'll never have to worry as ATC will be fully aware of any such Police operation in the area, and if you are flying in CAS, you will do as you are told, thereby avoiding said wee timerous beasties...