A book offered to the reader's attention reveals a system of falsification of criminal cases in the dungeons of a Soviet prison in the 30s of the twentieth century. It is based on the material of documents stored in the Central Archive of the FSB and the archive of the Main Military Prosecutor's Office. These documents clearly demonstrate the methods of breaking, physical and moral destruction of the person under investigation, forcing him to give incredible, clearly false testimony against himself and others. As an example, the cases of persons who held responsible posts in the Red Army are studied in detail - commander of the 2nd rank I.N. Dubovoy and division commander P.P. Tkalun.