In the article one of the loudest judicial and political processes in Russia in the early XX century is discussed, wherethe Social Revolutionary S. V. Balmashev was sentenced to death penalty (he was son of the famous saratovnarodnik V. A. Balmashev) for the murder of the Minister of Interior D. S. Sipyagina - terrorist attack, which initiated the so-called "Central terror" of the Social Revolutionaries.