 NKVD head N. I. Yezhov was imprisoned in Sukhanovka beginning on 10 April 1939 and was interrogated there by the Main Military Procurator, N. P. Afanasyev.His trial took place in the office of the chief of the prison in February 1940, although he was executed in Moscow, on Varsonofevskii Lane, not far from the Lubyanka prison.Solzhenitsyn wrote that Deputy Minister of State Security M. D. Ryumin used to personally beat and otherwise torture prisoners in a spacious office at the prison, making certain to cover the nice Persian carpet with a cloth so as not to spatter it with the prisoners' blood.