I don't think either of those concerns are really the police's concern. If the public reacts to this news by mistrusting those sites, so be it. (One could, I s

I don't think either of those concerns are really the police's concern. If the public reacts to this news by mistrusting those sites, so be it. (One could, I suppose, make an argument that the police, for purely selfish reasons, would want as many people as possible to use these sites so would keep mum on this methodology, but that's assuming police act as a coherent unit or organization and are not themselves individuals and citizens with their own red-lines for creepiness).