Chapter XV It was three weeks later that, once again, the facts had become confused. As the media had reported, a powerful explosion had ripped through a house on the Turin hill. Alerted in advance by an anonymous phone call that a person was dying from gas, firefighters and a Public Security patrol had rushed there; but, as those men were about to break through the door, an internal spark had caused the house to explode killing three firefighters and a policeman. Around and inside what had been the house, they had been able to collect only their devastated remains and what little remained of the body of the young tenant, by the name of Tatiana Cattabuoni, a person known to Police Headquarters because she had been detained until a year earlier in France for a conviction for fraud. In the