Our study presents potential guideline policies on how to utilize the mass emitted sources of the law enforcement system in the interwar period. The paper is divided into three main sections, of which the first deals with the organization of the group, the resources and the database in progress. The second part of the work presents one of the group’s research directions, which focuses on using anthropometric methods. The last great chapter contains source based criminal statistical and social examination from the resident individuals of Debrecen. Finally, the overview gives information about future plans and prospects. In front of the public, the work group showed itself in two scientific presentations, which, together with this study, is considered as a foundation.