Swiss journalist Sacha Batthyany knew he belonged to an aristocratic family, centered around his respected aunt. He didn’t know about the murderous ball held in 1945, that led to a personal quest, threats from relatives and a book One morning in April 2007 journalist Sacha Batthyany was approached by an elderly colleague at the Swiss daily where they both worked at the time. The colleague waved a newspaper clipping in front of him. It was an investigative report entitled, “The Hostess from Hell,” published by a German daily. Glancing at the headline, Batthyany didn’t understand why he was being shown...