“As a series of cases makes clear, there is ordinarily ‘no legitimate governmental interest served’ by the government’s public allegation of wrongdoing by an uncharged party, and this is true ‘regardless of what criminal charges may . . . b[e] contemplated by the Assistant United States Attorney against the [third-party] for the future.’”

– From the Department of Justice’s policy manual on the duties of federal prosecutors and principles of federal prosecutions. It’s unclear whether Robert Mueller has ever read that manual.