The collection of documents includes the most informative materials, which cover the preparation and conduct of the trial of L.P. Beria and his entourage. The bulk of the documents have been declassified recently and are being introduced into scientific circulation for the first time. Published documents were previously unavailable to researchers, which made it difficult to conduct a full analysis of the circumstances of this process. This collection aims to expand the public's understanding of this hitherto closed case. The published materials allow us to trace the process of preparation and decision-making on charges against L.P. Beria and his entourage of state crimes.