https://en.wikipedia.org/wiki/Right_to_silence_in_England_and_Wales https://en.wikipedia.org/wiki/Right_to_silence_in_England_an... elaborates on the special ru

https://en.wikipedia.org/wiki/Right_to_silence_in_England_and_Wales https://en.wikipedia.org/wiki/Right_to_silence_in_England_an... elaborates on the special rules you've alluded to, which apply in certain situations in England and Wales. Unfortunately, the answer to "what should someone do if questioned by police" is still "it depends."