Original sentence: Among other active measures, at least three StB agents became translators and secretaries of Solzhenitsyn (one of them translated poem Prussian Nights),keeping KGB informed regarding all contacts by Solzhenitsyn.Among other things, the writer constantly received envelops with photographs of car accidents, brain surgery and other frightening illustrations
Edited sentence: Among other active measures, at least three StB agents became translators and secretaries of Solzhenitsyn (one of them translated the poem Prussian Nights),keeping KGB informed regarding all contacts by Solzhenitsyn.Among other things, the writer constantly received envelopes with photographs of car accidents, brain surgery and other frightening illustrations