FBI Says Investigative Files on White Supremacists Have Inexplicably Gone Missing - Gizmodo

The FBI has been regarded as one of the worst compliers of public records requests since the earliest days of the Freedom of Information Act. Ask any of its most "vexsome" requesters and they'll tell you, the bureau's unofficial, when-in-doubt-cross-it-out policy of the mid-1970s was never really put to rest. More recently, it's even been sanctioned for flat-out lying in federal court about whether or not certain documents exist.
https://gizmodo.com/fbi-says-investigative-files-on-white-supremacists-have-1836074693