The bulk of this series consists of files of the Judge Advocate General's Military Department, dealing with the investigation and prosecution of war criminals for offences committed in all theatres of the Second World War. There are also some files of the Adjutant General's Directorates of Personal Services (AG 3(V/W)) and Army Legal Services relating to war crimes.
The series also includes policy and procedural files as well as case files. There are some files on the establishment of AG3 Branch, and correspondence between the Judge Advocate General (JAG) and the Directorate of Army Legal Services (DALS).