You mean, names of agent provocateurs infiltrating peaceful protest groups? You see, the thing is, as soon as you say "well, clearly X needs to be secret", you

You mean, names of agent provocateurs infiltrating peaceful protest groups? You see, the thing is, as soon as you say "well, clearly X needs to be secret", you open the avenue for all of the unintended, unforeseen uses of said secrecy. The only solution, as far as the state is concerned, is to have no secrets. Undercover police/intelligence work would be obviated by not defining economic and social systems which engender the kind of behaviour that mandates such in the first place.