Codrea v. ATF (D.D.C.) -- concluding that Bureau of Alcohol, Tobacco, Firearms, and Explosives properly relied upon Exemption 7(E) to withhold certain "instructions, policies or guidance given to agents who serve as hearing officers, or to their superiors, in connection with determining whether an [firearm] license should be revoked or suspended, or issuance of a license be denied, or a civil fine imposed."
Summaries of all opinions issued since April 2015 available here.