adding that if Mitchell had “identified himself” to the woman employee, “the matter would have been resolved in minutes.”
All you have to do to avoid being detained by the plod is to grovel subserviently to their slightest whim, and tug your forelock while doing it.
There is no law that you are required to identify yourself to every puffed-up busybody who demands it.
Are they really so incompetent that they seriously think that a terrorist would stand there prominently waving a camera in full visibility?
They could wear a pocket video recorder (over 1,000 hits on an amazon search) and wander past getting a hi resolution stream of pictures from every angle, while showing no suspicious or unusual behaviour whatever.
Then send a drone over for some aerial shots.
Or just look at google maps, or search for existing photos on the web.
What have Sussex plod been smoking?