He became an Italian journalist, literary critic and author of the short books October 16, 1943—an account of the deportation of Roman Jews shortly after the occupation of Rome by the Nazi army—and Eight Jews, a critique of Raffale Alianello's defense of fascist Questore (Police Commissioner) Pietro Caruso at his trial for war crimes, on the basis that he had crossed eight Jewish names off of a list of Roman citizens slated for execution in the Ardeatine Caves Massacre.